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दर्शाइए कि (i) sin^(-1)(2xsqrt(1-x^(2)...

दर्शाइए कि
(i) `sin^(-1)(2xsqrt(1-x^(2)))=2sin^(-1),-(1)/(sqrt(2)) le x le (1)/(sqrt(2))`
(ii) `sin^(-1)(2xsqrt(1-x^(2)))=2cos^(-1) x,(1)/(sqrt(2)) le x le 1`

Text Solution

Verified by Experts

Put `x=sintheta`
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