Question

Which expressions are equivalent to 1+sinθ/1-sinθ ? Check all that apply. (Multiple Choice)

Answer 1

A. cos^2θ/(1+sinθ)^2

B. cos^2θ/(1-sinθ)^2

C.( 1+sinθ)^2/cosθ^2

D. (1-sinθ)^2/cosθ^2

Answer 2

multiply by \[\frac{ 1-\sin \theta }{ 1-sin \theta }\]

Answer 3

Ok. Is it D?