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Find (dy)/(dx) if y=sec f(x)...

Find (dy)/(dx) if
y=sec f(x)

Text Solution

Verified by Experts

y=secf(x)
`thereforedy/dx=d/dx(secf(x))`
`=secf(x)tanf(x)d/dx(f(x))`
`=secf(x)tanf(x).f.(x)`
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