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Popular Calculus >

derivative of y=sec(x)tan(x)

Solution

derivative of

y = sec (x) tan (x)

Solution

- sec (x) + 2 sec^{3} (x)

Solution steps

\frac{d}{d x} (sec (x) tan (x))

Apply the Product Rule:

(f \cdot g)^{'} = f^{'} \cdot g + f \cdot g^{'}

f = sec (x), g = tan (x)

= \frac{d}{d x} (sec (x)) tan (x) + \frac{d}{d x} (tan (x)) sec (x)

\frac{d}{d x} (sec (x)) = sec (x) tan (x)

\frac{d}{d x} (tan (x)) = sec^{2} (x)

= sec (x) tan (x) tan (x) + sec^{2} (x) sec (x)

Simplify

sec (x) tan (x) tan (x) + sec^{2} (x) sec (x) : - sec (x) + 2 sec^{3} (x)

= - sec (x) + 2 sec^{3} (x)

Graph

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Frequently Asked Questions (FAQ)

What is the derivative of y=sec(x)tan(x) ?
The derivative of y=sec(x)tan(x) is -sec(x)+2sec^3(x)
What is the first derivative of y=sec(x)tan(x) ?
The first derivative of y=sec(x)tan(x) is -sec(x)+2sec^3(x)