ChappCarminind ChappCarminind

30-07-2016
Mathematics

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Integrate cos(2theta)d(theta) from 0 to pi/5

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HomertheGenius HomertheGenius

03-08-2016

[tex] \int\limits^ \frac{ \pi }{4} _0 {cos2t} \, dt = \frac{sin2t}{2} I\limits^ \frac{ \pi }{4} _0 = \\ = \frac{sin( \pi/2) }{2}- \frac{sin (0)}{2}= \frac{1}{2} [/tex]
Answer: 1/2

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