Try another version of this question Get help: Box 1: Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c
Rewrite `sin(x - (5 pi)/4)` in terms of `sin(x)` and `cos(x)`.
Be sure your variables match those in the question `-sqrt(2)/2sin(x) +sqrt(2)/2cos(x) `