Question

4 cosec^2θ -4cot^2 θ is equal to

Answer 1

Solution :

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We know the Trigonometric identity:

Cosec²θ -cot²θ = 1

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Here ,

4cosec²θ -4cot²θ

= 4( cosec²θ -cot²θ )

= 4 × 1

= 4

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