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Integral help?

0 votes
∫ from 0 to π sqrt((16sin^2(θ)+16cos^2(θ))dθ
asked Oct 26, 2014 in CALCULUS by anonymous

1 Answer

0 votes

The integral is image .

image

Take out common factor 16 .
image
We know the value of trigonometric identity sin2 ø + cos2 ø = 1 .
image
answered Oct 26, 2014 by friend Mentor

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