Inverse Trigonometric functions Questions and Answers

Find the exact value or state that the expression is undefine COS R 4 Undefined 26 I R 3 2

Given the value of one trigonometric function of an acute angle 0 find the values of the remaining five trigonometric functions of 0 2 53 cos 0 sin sin 8 sin 8 ON sin 2 53 7 53 53 7 7 53 77 csc 0 53 sec 7 tan 8 tan 8 77 csc tan 8 csc 8 csc 8 53 7 tan 8 0 1717 c 53 53 7 csc 8 53 cot 0 1 sec 8 53 cot 0 sec 8 2 53 sec 8 2 sec 8 cot 8 23 2 53 cot 0 1712 2

Cool Down Lesson 1 Properties of Exponents Cool Down The Power of Negative Thinking Find the value of each variable that makes the equation true 1 8 1 2 94 9 69b 3 5 3 2 3 10d

Michelle has 20 coins in her purse There are only 10 pence 20 pence and 50 pence and the total value of the money is 500 pence If she have more 50 pence coins than 10 pence coins how many 10 pence coins does she have

2 If cos 0 then what is 0 A 1 18 degrees B 2 6 degrees C 67 4 degrees D 22 6 degrees O a Ob

Jose was asked to solve the following trigonometric equation for 0 x 2T sin x cos 2x 0 Jose worked the problem the following way Line 1 sin x 1 2 sin x 0 Line 2 sin x 1 2 sin x 0 Line 3 2 sin x sin x 1 0 Line 4 2 sin x 1 sin x 1 0 Line 5 sin x 1 sin x 1 Line 6 x A Jose made a mistake in his work In what line did the mistake occur Justify your answer 6 points B What are the correct answers Leave ansvers as exact values WORK DOES NOT NEED TO BE SHOWN 6 points 2

Price Dollars per unit 10 8 6 4 2 Table 4 6 If the price were 8 a plus of 25 units would exist and price would tend to fall ortage of 25 units would exist and price would tend to rise plus of 45 units would exist and price would tend to fall ortage of 20 units would exist and price would tend to rise Table 4 6 Quantity Demanded Quantity Supplied Units 10 20 30 40 50 Units 60 45 30 15 0

Electricity Chemicals Internal Combustion Engine 1900 1950 Petro Chemicals Electronics Aviation 1950 1990 1990 present Which of the following best completes the timeline O Information Age O Information Super highway Digital Networks Electric Automobiles Digital Networks New Media O Digital Networks Software New Media

What is the purpose of day trading O To earn commission on security trades that are otherwise exempt from commission status To facilitate the barter system in agricultural economies O Online trading of securities directly over the Internet O Online trading of Internet web site names to procure email address lists

Consumers can bypass television and newspaper advertising Price comparisons can be handled instantly Competition between suppliers is more intense Advertising on the INTERNET Which of the following best completes the diagram O Radio advertising has become more important Geographic territories are no longer relevant Prices on goods purchased on the Internet have increased O Businesses invest more money on print advertisements

Question 5 Points 2 Read the following information Using your knowledge and information from the lesson answer the question below Bill Jones at Bill s Used Car Sales published the following advertisement on the company website At Bill s Used Car Sales we pride ourselves on having the number one customer loyalty in town We keep our customers coming back because of the great deals we offer on our quality used cars Please come see us today for a no obligation test drive and you will see why people keep coming back to Bill s Used Car Sales for their next automobile Which of the following types of marketing is Bill Jones using in his advertisement O Loyalty marketing Low price marketing O Frequency marketing O Repeat buyer marketing

Points 1 Question 5 Which of the following is not considered a fringe benefit Overtime pay O Holiday bonus Paid health insurance O Time off for vacations and holidays

Question 3 Points 2 Which of the following professions is NOT considered a blue collar profession O A foreman at an automobile factory O Office workers at a soda factory O Craft workers at a flea market O An assembly line worker at an automobile factory

The pie chart below shows a company s ex Technology 40 Travel 10 Supplies Marketing In what category was the least amount of

What type of loan allows you to borrow capital from a bank in increments until a certain amount is reached Is this a short term intermediate term or long term debt financing option O Lease long term O Trade credit short term O Secured loan intermediate term O Line of credit short term

The chart below shows a company s sales in millions of dolla Sales in millions NES L 59 2005 2006 2007 24 08 12 2009 2010

Evaluate the expression without using a calculator sin 60 cos 30 sin 30 cos 60

Read the scenario about electronic job search resources and then answer the question Marlena was recently laid off She has not been able to find a job in her area using the career placement services provided as part of her severance package Marlena has decided to expand her search to other states by using electronic resources to identify potential career opportunities What advice should you give Marlena Check all that apply Post your r sum under a pseudonym in order to avoid cyberstalking Search electronic databases of professional organizations to find job openings Aypid online classifieds because they are often limited and less complete than print classifieds

or Yes No type questions multiple choice questions or other question types DETAILS ne inverse cosine and inverse tangent functions have the following d e function sin 1 has domain he function cos 1 has domain he function tan 1 has domain and range and range and range

Homework The recommended one serving of this c

Which of the following is an example of polite racism 1 calls for law and order 2 3 calls for neighborhood schools using color blind discourses 4 All the above

Krad ead It ILS Watch It SALGTRIG4 7 4 007 ion Enter your answers as a comma separated li

Solve the right triangle Round off the results according to the table below Measurements of Angle to Nearest 0 1 0 01 Accuracy of Trigonometric Function 2 significant digits 3 significant digits 4 significant digits Select the correct answer below and if necessary fill in the answer boxes to complete your choice OA M n p OB There is not enough information to solve the triangle CIT B P M P 42 3 124 N

Simplify the following expression 4 3 2 7

What is cos 75 A B y y 30 OA B O C C 30 30 75 x y

you need 4 You have 52 that to exchange for Japanese yen Currently the Japanese yen is approx 132 1 to u s dollar How much will you receive in Yen Ven

Give the slope and y intercept of the line whose equation is given Then graph the linear function 4 f x 5x 1 Select the correct choice below and if necessary fill in the answer box to complete your choice O A The slope is Simplify your answer Type an integer or a fraction OB The slope is undefined Select the correct choice below and if necessary fill in the answer box to complete your choice OA The y intercept is Simplify your answer Type an integer or a fraction OB There is no y intercept Use the graphing tool to graph the equation Click to

Question 4 of 18 Type the point slope form of the equation of the line Write the point slope form of the line satisfying the given conditions Then use the point slope form of the equation to write the slope intercept form of the equatic Slope 4 passing through 2 6 Simplify your answer Use integers or fractions for any numbers in the equation Type the slope intercept form of the equation of the line 0 Use integers or simplified fractions for any numbers in the equation This test 18 point s possible This question 1 point s possible EXC

6i 12 9i 6i 12 9i Simplify your answer Type your answer in the form a bi

Determine whether the following equation defines y as a function of x x y 1 Does the equation x y 1 define y as a function of x O Yes O No

uestion 2 of 18 Use the given conditions to write an equation for the line in point slope form and general form Passing through 6 2 and parallel to the line whose equation is 7x 3y 5 0 The equation of the line in point slope form is Type an equation Use integers or fractions for any numbers in the equation CILS This question 1 point s The equation of the line in general form is 0 Type an expression using x and y as the variables Simplify your answer Use integers or fractions for any numbers in the expression

Alondra s older cousin borrowed 800 to repair her car She will pay off the loan after 2 years by paying back the principal plus 4 5 simple interest for each year a How much will she pay in interest Show your work b How much will she pay back altogether Aadan opened a savings account with 425 After 2 years the total interest he earned was 10 20 What was the annual interest rate

Question 4 Let a 1 2 and b 5 k Find k so that a and will be orthogonal form a 90 degree angle k

Find the domain of the function f x log x

Subtract State the difference in simplest form 8x 24x x 3 x 3 8x 3 x 3 4x x 3 8x24 3 8x x 3 x 3

rad d Help Read It pints DETAILS the radian measure of the angle with the given degree measure 336 rad ed Help Read It Watch It Points DETAILS Watch It

48 3 Points DETAILS Solve the right triangle 117 Is Find the length of the side adjacent to the given angle Round your answer to two decima

46 3 Points DETAILS Solve the right triangle Find the length of the side opposite to the given angle Round your answer to two decimal place Find the other acute angle Find the length of the hypotenuse Round your answer to two decimal places Need Help Read It 47 3 Points DETAILS 51 Solve the right triangle 35 74 7 Watch It

A group of 45 people are going to run a race XV The top three STIDER EGONZE runners earn gold silver and bronze medals Is this problem a permutation or combination Explain your answer using complete sentences

If ST y and UW y 36 what is the value of y T H U S H W V

T is the midpoint of UX and V is the midpoint of UW If WX p and TV p 22 what is the value of p U T X V W

A school dance committee is to consist of 2 freshmen 3 sophomores 4 juniors and 5 seniors If 6 freshmen 7 sophomores 9 juniors and 9 seniors are eligible to be on the committee in how many ways can the committee be chosen Your answer is

In how many ways can 8 books be choosen from group of nine Your answer is

Neatly sketch a graph of one single function f for which its left and right hand limits when a approaches 3 exist and agree but is discontinuous at a 3 lim f x o 2 14 lim f x 1 f 3 5 f 5 0 and lim f 2 2 848

Fill in the blank In medieval times people referred to the golden proportion as the In medieval times people referred to the golden proportion as the proportion proportion

ENT Read this story to find out about a harbor seal pup that has a special problem In the sea a harbor seal pup learns to catch and eat fish by watching its mother By the time it is weaned at the age of four or five weeks it is able to feed on its own Without a mother and living temporarily in captivity Pearson had to be taught what a fish was and how to swallow it Eventually he would have to learn to catch one himself Holly started his training with a small herring an oily fish which is a favorite with seals Gently she opened his mouth and slipped the fish in headfirst Harbor seals have sharp teeth for catching fish but no teeth for grinding and chewing They swallow their food whole But Pearson didn t seem to understand what he was supposed to do He bit down on the fish and then spit it out Holly tried again This time Pearson got the idea He swallowed the herring in one gulp and looked eagerly for more Within a week he was being hand fed a pound of fish a day in addition to his formula This new diet made him friskier than ever He chased the other pups in the outside pen He plunged into the small wading pool and rolled in the shallow water splashing both seals and people I Source Pearson A Harbor Seal Pup by Susan Meyers New York E P Dutton 1980 pp 15 16 Note Do not count as a miscue mispronunciation of the name Pearson You may pronounce this name for the student if needed SCORING AID Word Recognition Miscues 99 3 95 11 90 22 85 33 Miscues Word Recognition

The number of hours of sunlight in a day of a leap year in part of Ontario can be modelled by a sinusoidal function with a minimum of 8 9 on the 356th day of the year December 21st and a maximum of 15 4 on the 173rd day of the year June 21st a Find a sinusoidal function that models this relationship b What days on the calendar are the closest to 14 hours in length c How long is the 218th day of a leap year

Round to the nearest whole number Angle C C 24 26 A 103 6 B

determine cos tan COS 14 e of cos tan Draw the angle u tan then

DETAILS period and graph the function WWW AD