Write this expression in terms of sine and cosines and simplify? (Cosßtanß+1) (Sinß-1)
1 Answer
Mar 27, 2018
It simplifies to
Explanation:
Recall that
=(cosbeta(sinbeta/cosbeta) + 1)(sin beta - 1)
=(sin beta + 1)(sinbeta- 1)
=sin^2beta - 1
Recall that
=-cos^2beta
Hopefully this helps!