Q10 of 80 Page 311

If cosec2 θ = 2 cot θ and 0°<θ<90°, then let us determine the value of θ.

Given, cosec2θ = 2cotθ


Let θ = 45


⇒ cosec2θ = (√2)2


= 2


⇒ 2cotθ = 2(1) = 2


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