Mathematics
[(sin³ A + cos³ A) / (sin A + cos A)] + [(sin³ A - cos³ A) / (sin A - cos A)] = 2
Related Questions
Prove the following identities, where the angles involved are acute angles for which the trigonometric ratios are defined:
(sin θ + cos θ)(sec θ + cosec θ) = 2 + sec θ cosec θ.
Prove the following identities, where the angles involved are acute angles for which the trigonometric ratios are defined:
(cosec A - sin A)(sec A - cos A)sec2 A = tan A.