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Question

If sinθ=a,and cosθ=b, then the value of (1a2)b = __


Solution

 sin2θ + cos2θ =1 

Since, sin2θ = a2 and  cos2θ = b2
Therefore, 1-a2b2
Therefore on putting sinθ=a and cosθ = b

we get (1a2)b = b

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