Mark the correct choice-Assertion A- If sin-A - -3-2- then the value of 2 cot2A - 1 is -1-3-Reason R- If - be an acute angle and 5 cosec - - 7- then the value of sin - - cos2-1 is 0-

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Trigonometric Identities

Mark the corr...

Question

Mark the correct choice.
Assertion (A): If sin⁡A = $\frac{\sqrt 3}{2}$ , then the value of $2 c o t^{2} A - 1$ is $\frac{- 1}{3} .$
Reason (R): If θ be an acute angle and 5 cosec θ = 7, then the value of sin θ + $c o s^{2} θ - 1$ is 0.

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