Mathematics
Related Questions
Prove the following identities, where the angles involved are acute angles for which the trigonometric ratios are defined:
(1 + tan A)2 + (1 - tan A)2 = 2 sec2 A.
Prove the following identities, where the angles involved are acute angles for which the trigonometric ratios are defined:
sec2 A + cosec2 A = sec2 A cosec2 A.