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Evaluate int(0)^(pi"/"2) (dx)/(4 + 5 cos...

Evaluate `int_(0)^(pi"/"2) (dx)/(4 + 5 cos x)`

Text Solution

Verified by Experts

The correct Answer is:
`= (1)/(2)log 2 [therefore int(dx)/(a^(2)-x^(2))= (1)/(2a)log|(a+x)/(a-x)|]`
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