express-the-following-sum-as-one-trigonometric-function-only-then-determine-its-

Question

Express the following sum as one trigonometric function only. Then, determine its exact value by using a unit circle:sin 68° cos 82° + cos 68° sin 82°

Accepted Answer

sin 150°; 1/2

Answer

sin 14°; (√2)/2

Answer

cos 14°: 1/2

Answer

cos 150°; -(√3)/2