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!