Trigonometry Questions and Answers

Kim is watching a fireworks display from an observation spot 5 miles away Find the angle of elevation from Kim to the fireworks which are at a height of 0 5 miles Answer 2 Points Enter your answer in degrees rounded to two decimal places 4 Keyp Keyboard Shorte

Solve the equation for the exact value of y without the use of a calculator Answer 2 Points Enter your answer in radians without the use of decimals y tan 3 y

C I 3x 1 1 pressio S Choose three expressions 3C 3x 2 6x 1 3x 1 6x 2

ry Spring 2023 Sp23 MATH 1106 90 Tri Points DETAILS ot the point that has the given polar coordinates 3 7 R 2 webassign net Assignment 9 Polar Expressions Trigonometry S 0 Homepage N ical College Apple Ho 2 4

Spring 2023 Sp23 MATH 1106 90 Tri ints DETAILS mine which point in the figure P Q R or S has the lect O Assignment 2

Select one 12 12 12 More on Trigonometric Functions Question 10 sin x can be expressed as 6 O cos x O sin x O sin x O sin x cos x 8 9 10

Medicare The annual expenditures for Medicare in billions of dollars by the US Government for selected years since 1980 are shown in Table 4 Let x represent the years since 1980 Use 4 decimal places in all answers A Find the exponential regression model for the data M x B What is the value for this model C Extimate to the nearest billion the expenditures in 2008 The Medicare expenditures in 2008 were about s billion Table 4 Medicare Expenditures Year Billion 1980 37 1985 72 1990 111 1995 181 2000 197 2005 330

Let 0 be an angle in quadrant I such that sin0 Find the exact values of sec 0 and tan 0 sece tan 0 0 2 X mit 3 4

A hot air balloon is rising vertically The angle of elevation from a point on level ground 124 feet from the balloon to a point directly under the passenger compartment changes from 16 6 to 29 9 How far to the nearest tenth of a foot does the balloon rise during this period 16 6 124 ft 29 9

A helicopter hovers 1050 feet above a small island The figure shows that the angle of depression from the helicopter to point P on the coast is 40 How far off the coast to the nearest foot is the island 1050 ft 40 P

Find the length x to the nearest whole number X 390 610 34 X

Find the length x to the nearest whole number 380 530 28 X Do not round until the final answer Then round to the nearest whole number

Find the bearing from O to A N W A 82 E The bearing from O to A is

Graph two periods of the given secant function 5 y sec Choose the correct graph of two periods of y sec O A 94 M 15x ZG 5 B S below C Q D

land Community and Help Read It nts DETAILS hoo Trigonometry S PREVIOUS A Addition or Subtraction Formula to write cos 14 cos 16 sin 14 sin 16

oints eed Help DETAILS lify the trigonometric expression 1 cos u sin u bmit Answer X sin u Cos u 1 PREVIOU Read It Watch It

page Northland Community and 2 2 Points DETAILS If we know the values of sin x and cos x we can find the va State the formula sin 2x 2 sin x cos x Need Help 2 Points Trigonometry Spring 2023 Sp PREVIOUS ANSWERS Read It DETAILS

93 Motorcycle racing A video camera is set up x feet away from and at a right angle to a straight quarter mile racetrack as shown in the figure The starting line is to the left and the finish is to the right The angle through which the camera rotates to film the entire race is given by 880 440 0 tan feet Starting line X 440 ft tan x ft 10 1 X Find to the nearest degree if x 110 880 ft Finish line

Match the description with the graph y x a always increasing function y ex y ex y x b always decreasing function c increasing function 0 increasing function d decreasing function 0 increasing function

30 2 Points DETAILS If we know the values of the sine and cosine State the formula

1 Points DETAILS Use an Addition or Subtraction Formula to find tan 15

webassign net de AFT DETAILS dicated trigonometric substitution in the given 4 2 x 2 sin e

Previous Prol 1 point At no between the s

sin 2x cos 2x tan 2x tan x 24 25 1199 1800 25 119 Need Help Submit Answer 5 x in Quadrant II Read It Your answer cannot be understood or graded More Information Viewing Saved Work Revert to Last Response

Simplify the expression by using a Double Angle Formula or a Half Angle a sin 0 2 b COS2 0 2 Need Help 2 sin COS 2

2 Points Simplify the expression by using a Double Angle Formula or a Half Angle Formula a 2 sin 13 cos 13 b DETAILS 2 Points 2 sin 30 cos 30 Need Help Read It DETAILS Watch It Simplify the expression by using a Double Angle Formula or a Half Angle Formula

Watch help video Find the length of the third side If necessary write in simplest radical form 2 5

9 True or False A True B False COS 0 Cosb cot 1 cosx 1 cosx 1 c0 x 11 sec x 1 105 X secx 1 sex i secx 1ca 1 secx 2 secx 1 sec x 1 sec N

The table provides various values including all zeros of a tangent function f x on the interval T T 3 20 Angle T 3 f x 0 Und 4 3 0 4 RIN 2 O R What is the period of the function 4 RIN 2 28 3 0 Und 0 43 0 TT 3

Use a cofunction to write an expression equal to cot 16 cot 16 010 sin cot B JT cos sec tan csc

il D2L Brightspace O TRIGONOMETRIC FUNCTIONS Using the Pythagorean Theorem to find cose where is the angle shown an exact value not a decimal approximat

The cables of a suspension bridge are in the shape of a parabola as shown in the figure The towers supporting the cable are 600 feet apart and 60 feet high If the cables touch the road surface midway between the towers what is the height of the cable at a point 150 feet from the center of the bridge

Find the reference angle of the angle 165

Given sec 0 sin 0 cos 0 tan 0 csc 0 4 in quadrant 2 evaluate the remai 2 x 2 1 X x 5X

The angle t is an acute angle and sint is given Use the Pythagorean identity sin t cos t 1 to find cost 7 6 sint

cos 0 cot 0 0 I II III IV oints DETAILS e the quadrant in which the angle 8 lies sin 0 cot 0 0

ail Salad Mohamed A Outlook DETAILS ue of the six trigonometric functions of the angle

Mail Salad Mohamed A Outlook Points DETAILS identities to find the exact value of each of the four remaining trigon sin 0 cos 8 tan 8 12 3 csc 0 02 31 sec 8 122 cot e O co co E 3

13 1 The casting has a mass of 3 Mg Suspended in a vertical position and initially at rest it is given an upward speed of 100 mm s in 0 3 s using a crane hook H Determine the tension in cables AC and AB during this time interval if the acceleration is constant 200 8 7nysz 37 37 fe P

Convert this angle in radians to degrees 2T 27 05 D

In which quadrant is each of these points located 5 2 0 2 In which quadrant is the point 5 2 located Choose the correct answer below OA none OB N OC III OD II OE I In which quadrant is the point 0 2 located OA I OB II OC III OD N OE none CHARD 10 88

Graph the equation Let x 3 2 1 0 1 2 and 3 y 3 Choose the correct graph below A G B Ay OC G

The square and the rectangle have the same area All lengths are in centimetres Not drawn accurately Show that 36x 2 ax b 0 where a and b are constants to be found

A bag has nine balls labeled A B C D E F G H and I One ball will be randomly picked and its letter will be recorded as the outcome Give the sample space describing all possible outcomes Then give all of the outcomes for the event of choosing a vowel If there is more than one element in the set separate them with commas Sample space Event of choosing a vowel 0 0 X 3 Aa

Dus 9 Find sin and tan 0 if cos 0 1

5 Find cos 0 and tan 0 if sin 0 13 olansit Tjipt

Use formulas to find the area of the figure 3 yd 1 9 yd b A 28 5 yd OB 21 yd OC 13 5 yd OD 42 yd 19 yd 14 yd

State if the triangles in each pair are similar If so state Ho complete the similarity statement 1 3 H 35 ABCD T 84 U B ALKJ 49 K 65 12 60 91 K L S 18 DE 18 2 K 4 Q P 6 k 36 24 P Find the missing length The triangles in each pair are similar 5 ALKJ ALGH Q 12 afinis e dos al estat AJKL 45 V AROP 7 63 40 L K 19 R 56 R

13 19 15 60 45 9 5 m 3 5 5 30 C 9 17 A 6 2 45 60 x 45 60 45 X 14 16 60 7 18 60 x 20 y 60 x 3 3 u 45 60 M 60 6 3 9 45 6 7 45 X

Draw a triangle that models the situation Then use the Pythagorean Identity to solve the following problems 3 1 Find sin and cos 6 if tan 0 1 2 Find sin and cos 0 if tan 0 3 juhas 0 bert Find sin and tan 0 if cos 0 4 cos 0 1 4 Find sin and tan 0 if cos