Mathematics
Related Questions
Prove the following identities, where the angles involved are acute angles for which the trigonometric ratios are defined:
(sin A + sec A)2 + (cos A + cosec A)2 = (1 + sec A cosec A)2.
If 7 sin2 θ + 3 cos2 θ = 4, 0° ≤ θ ≤ 90°, then find the value of θ.
If sec θ + tan θ = m and sec θ - tan θ = n, prove that mn = 1.