Use a sum or difference formula to find the exact value of

Last updated: 7/5/2022

Use a sum or difference formula to find the exact value of the trigonometric function. sin 165° Rewrite the given trigonometric function using an appropriate sum or difference formula for the sine function. Choose the correct answer below. OA. sin 165°=cos 120° cos 45°- sin 120° sin 45° B. sin 165=cos 120° cos 45°+ sin 120° sin45° OC. sin 165=sin 120° cos 45°+ cos 120° sin 45° OD. sin 165° = sin 120° cos 45°- cos 120° sin 45" Find the exact value of sin 165°. sin 165⁰ - (Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.)