Question

Factor the algebraic expression below in terms of a single trigonometric function. cos x - sin squaredx - 1

Answer 1

Remember that sin2x = 2sinxcosx

so cosx - 2sinxcosx = 1.

factor the cosx

Answer 2

Ok thanks

Answer 3

o no.. was the expression \[cosx - \sin ^{2} x -1\]

Answer 4

In that case \[\sin ^{2}x = 1 - \cos ^{2}x\]