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Start learning 50% faster. Sign in nowGiven – sin + cseccθ = 2, let x = sin θ, then cosec θ =1/x ATQ- x+1/x =2 x²+1 = 2x x²-2x+1 0 (x-1)2 = 0 x-1 =0 x =1. Thus, sin θ = 1, which means θ = 90°. Now, Sin 2 θ = 15=1 Similarly, Cosec2 θ = 1 Therefore, Sin 2 θ + Cosec2 θ =1+1=2 So, the value is 2.
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