Identity Verification?
(cot^3(y)-tan^3(y))/(sec^2(y)+cot^2(y))=2cot(2y)
(cot^3(y)-tan^3(y))/(sec^2(y)+cot^2(y))=2cot(2y)
1 Answer
Feb 26, 2018
Verification of this identity in explanation page
Explanation:
=
=
=
=
=
=
=
=