b^(a)(dx)/(x+sqrt(a^(2)-x^(2)))=(pi)/(4)

int_(0)^(a)(dx)/(x+sqrt(a^(2)-x^(2)))=(pi)/(4)

int_(0)^(a)(dx)/(x+sqrt(a^(2)-x^(2)))=(pi)/(4)

Prove that (pi)/(6)

int_(0)^((pi)/(2))(dx)/(1+sqrt(tan x))=int_(0)^((pi)/(2))(dx)/(1+sqrt(cot x))=(pi)/(4)

The value of lim_(x rarr a)sqrt(a^(2)-x^(2))cot(pi)/(2)sqrt((a-x)/(a+x)) is (2a)/(pi)(b)-(2a)/(pi) (c) (4a)/(pi)(d)-(4a)/(pi)

int_(0)^(1)x.sqrt((1-x^(2))/(1+x^(2)))dx=(pi-2)/(4)

if y=a cos x+b sin x,y=7sqrt(2),(dy)/(dx)=sqrt(2) when x=(pi)/(4) then find a&b

Prove that pi/6 < int_0^1(dx)/(sqrt(4-x^2-x^3)) < pi/(4sqrt(2))

Prove that pi/6

Prove that pi/6 lt int_0^1(dx) /(sqrt(4-x^2-x^3)) lt pi/(4sqrt(2))