Ex 7.3, 13 - Chapter 7 Class 12 Integrals
Last updated at May 29, 2018 by Teachoo
Transcript
Ex 7.3, 13 cos 2 cos 2 cos cos cos 2 cos 2 cos cos = 2 cos 2 1 2 cos 2 1 cos cos = 2 cos 2 1 2 cos 2 + 1 cos cos = 2 cos 2 2 cos 2 + 1 1 cos cos = 2 cos 2 cos 2 cos cos =2 cos 2 cos 2 cos cos =2 + =2 + =2 + =2 + 1 . = + +
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