Introduction to Trigonometry
If sinθ+cosecθ=2, then the value of sin8θ+cosec8θ is equal to
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Write all the other trigonometric ratios of ∠A in terms of secA.
If sinθ=(a2+b2)(a2−b2), find the values of all T-ratios of θ.
Express the trigonometric ratios sinA,secA and tanA in terms of cotA.
Prove the following identities:1−2sin2θ +sin4θ =cos4θ