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If tan(cos^(-1)x)="sin"(cot^(-1)(1/2)) t...

If `tan(cos^(-1)x)="sin"(cot^(-1)(1/2))` then `x` is equal to- a.`1/sqrt(5)` b. `2/sqrt(5)` c. `3/sqrt(5)` d. `sqrt(5)/3`

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ALLEN-INVERSE TRIGONOMETRIC FUNCTIONS-All Questions
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