SOLUTION: I want the solution to be EXACT, with the theta given in units of pi. Write the expression in terms of sine only. sin x + cos Can someone help me out with this one, please?

Algebra ->  Trigonometry-basics -> SOLUTION: I want the solution to be EXACT, with the theta given in units of pi. Write the expression in terms of sine only. sin x + cos Can someone help me out with this one, please?      Log On