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Find sin""(x)/(2),cos""(x)/(2)andtan""(x...

Find `sin""(x)/(2),cos""(x)/(2)andtan""(x)/(2)` in each of the following.
`tanx=-(4)/(3),x` in quadrant `II^(nd)`.

Text Solution

Verified by Experts

The correct Answer is:
`(2 sqrt5)/(5), ( sqrt5)/(5), (1)/(2)`
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