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Find (dy)/(dx) at x=-1, when (siny)^(sin...

Find `(dy)/(dx)` at `x=-1,` when `(siny)^(sin.(pix)/(2))+(sqrt3)/(2)sec^(-1)(2x)+2^(x)tan{log_(e)(x+2)}=0`.

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The correct Answer is:
`3/(pisqrt(pi^(2)-3))`
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