Mathematics
Related Questions
Prove the following identities, where the angles involved are acute angles for which the trigonometric ratios are defined:
sec4 A - tan4 A = 1 + 2 tan2 A
Prove the following identities, where the angles involved are acute angles for which the trigonometric ratios are defined:
cosec6 A - cot6 A = 3cot2 A cosec2 A + 1.