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If 1/2 sin^(-1)((3sin2theta)/(5+4cos2the...

If `1/2 sin^(-1)((3sin2theta)/(5+4cos2theta))=(pi)/4`, then `tan theta` is equal to

A

`1//3`

B

3

C

1

D

`-1`

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The correct Answer is:
B
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MOTION-INVERSE TRIGONOMETRIC FUNCTIONS-Section A: Domain, Range
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  7. if tan ^-1 (( sqrt (1+x^2)-1)/x) = pi/45 then:

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  8. If 1/2 sin^(-1)((3sin2theta)/(5+4cos2theta))=(pi)/4, then tan theta is...

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