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Prove that : tan θ/(1 − cot θ) + cot θ/(1 − tan θ) = 1 + sec θ cosec θ
In a right triangle ABC, right-angled at A, if sin B = 1/4, then the value of sec B is
Prove that : (cos θ – 2 cos³θ)/(sin θ – 2 sin³θ) + cot θ = 0.
If sin A = y, then express cos A and tan A in terms of y.
Prove the following trigonometric identity : (1 + cosec A)/cosec A = cos² A/(1 − sin A)
Prove the following trigonometric identity : (1 + cosec A)/cosec A = cos²A/(1 − sin A)
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