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Given that `(1+sqrt(1+y))tan y = 1+sqrt(1-y)` Then `sin 4y` is equal to: a) 4y b) 2y c) y d) none of these

A

`4x`

B

`2x`

C

`x`

D

None of these

Text Solution

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The correct Answer is:
C
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DISHA PUBLICATION-TRIGONOMETRIC FUNCTIONS -EXERCISE-2
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  20. Given that (1+sqrt(1+y))tan y = 1+sqrt(1-y) Then sin 4y is equal to: ...

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