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Differentiate the following w.r.t x. ...

Differentiate the following w.r.t x.
(i) `cos^(-1) (sin x)` (ii) `tan^(-1) ((sin x)/(1 + cos x))` (iii) `sin^(-1) ((2^(x+1))/(1+4^(x)))`

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Verified by Experts

The correct Answer is:
(i) `f'(x)= -1`, (ii) `f'(x)= (1)/(2)`, (iii) `(2^(x+1) log 2)/(1 + 4^(x))`
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