Question

pre calc simplify sec^2y-cot^2((pi/2) -y)

Answer 1

\[\sec^2y-\cot^2(\frac{ \pi }{ 2 }-y)\]

Answer 2

Do you use the confunction identity \[\cot (\frac{ \pi }{ 2 }-\theta)\]

Answer 3

yes, the answer is 1