Write the sum as a product cos 18 7v cos 11 7v Note

Last updated: 7/13/2023

Write the sum as a product cos 18 7v cos 11 7v Note coefficients inside of the trigonometric functions should be entered as simplified decimal value do not enter fractions inside of the trig functions else they will be marked incorrect by the system F 11 example if your answer is enter 5 5 instead of 11 2