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प्रश्न
Differentiate the following:
y = tan (cos x)
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उत्तर
y = tan (cos x)
[y = f(g(x)
`("d"y)/("d"x)` = f'(g(x)) . g'(x)]
`("d"y)/("d"x) = sec^2(cos x) xx "d"/("d"x) (cos x)`
= sec2 (cos x) × – sin x
`("d"y)/("d"x)` = – sin x . sec2(cos x)
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