which of the following is equivalent to (1-cos^2θ)/cos^2θ	Choose the correct choice from the following answers:
A) cos^2θ B) sin^2θ C) tan^2θ D) sec^2θ E) None
cos 2θ = cos2 θ − sin2 θ = 2 cos2 θ − 1=1 − 2 sin2 θ   tan^2θ   tan^2θ
<result>C</result>
which of the following is equivalent to (1-cos^2θ)/cos^2θ