Evaluate: int0^(pi//2)(cos^2x)/(cos^2x+4...

Evaluate: `int_0^(pi//2)(cos^2x)/(cos^2x+4sin^2x)dx`

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Evaluate: int0^(pi//2)(cos^2x)/(cos^2x+4sin^2x)dx
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Evaluate the following integral:int0^(pi//2)(xsinxcosx)/(sin^4x+cos^4x...
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The value of int0^oo(54 a)/((3+a+4y)^4)dy=
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If int0^1xln(1+x/2)dx=a+b.ln(2/3)then a=.
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lim(x->oo)int0^x{1/(sqrt(1+t^2))-1/(1+t)}dt=.
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