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March 2, 2015

March 2, 2015

Posted by **alsa** on Wednesday, June 13, 2012 at 5:51pm.

- Integral calculus -
**Damon**, Wednesday, June 13, 2012 at 6:58pmgraph sin x from 0 to pi/2

on the same graph plot cos x from 0 to pi/4

Note that cos x from pi/4 to pi/2 is identical to sin x from pi/4 to pi/2 with only a reflection.

- Integral calculus -
**Damon**, Wednesday, June 13, 2012 at 7:00pmThus for every value of ln sin x from pi/4 to p/2 there is an equal value of ln cos x from 0 to pi/4. Therefore the areas under will be identical.

- Integral calculus -
**alsa**, Wednesday, June 13, 2012 at 7:58pmDamon: That is a good answer which now I really understand.I thank you very much.

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