If sin theta plus cos theta
- if x sin cube theta plus y cos cube theta
- if a sin theta plus b cos theta c
- if sin theta plus 2 cos theta 1
- if sin theta plus cos theta
- if sin theta plus cos theta is equal to root 3
- if sin theta plus cos theta is equal to p
- if sin theta plus cos theta is equal to 1
- if sin theta plus cos theta is equal to root 2