[SOLVED] Integration of trigonometric function Help

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August 28th 2008, 10:18 PM
manutd4life

[SOLVED] Integration of trigonometric function Help

How to integrate
$<br /> <br /> \int \frac{sec2x}{cos2x} \, dx<br />$
August 28th 2008, 10:20 PM
Chris L T521

Quote:

Originally Posted by manutd4life

How to integrate
$<br /> <br /> \int \frac{sec2x}{cos2x} \, dx<br />$

The integrand is the same as saying the following:

$\frac{\sec(2x)}{\cos(2x)}=\sec(2x)\cdot\sec(2x)=\s ec^2(2x)$

Thus, you have the integral $\int\sec^2(2x)\,dx$

It should be a piece of cake from here.

I hope this helps.

--Chris
August 28th 2008, 10:27 PM
manutd4life

Quote:

Originally Posted by Chris L T521

The integrand is the same as saying the following:

$\frac{\sec(2x)}{\cos(2x)}=\sec(2x)\cdot\sec(2x)=\s ec^2(2x)$

Thus, you have the integral $\int\sec^2(2x)\,dx$

It should be a piece of cake from here.

I hope this helps.

--Chris

Thanks man Lol
i just have not see this
Am doing some H/W now on integration any prob i'll post it
Thanks again
August 28th 2008, 10:45 PM
manutd4life

Thanks post solved

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