If `cosx/2dotcosx/(2^2)dotcosx/(2^3)oo=(sinx)/x ,` then find the value of `1/(2^2)sec^2x/2+1/(2^4)sec^2x/(2^2)+1/(2^6)sec^2x/(2^3)+oo`

If cos(x)/(2).cos(x)/(2^(2))*cos(x)/(2^(3))...oo=(sin x)/(x), then find the value of (1)/(2^(2))sec^(2)(x)/(2)+(1)/(2^(4))sec^(2)(x)/(2^(2))+(1)/(2^(6))sec^(2)(x)/(2^(3))+...oo

Given that cosx/2.cosx/4.cosx/8....=sinx/x Then find the sum 1/2^2sec^2x/2+1/2^4sec^2x/4+...

Given that cos(x/2).cos(x/4).cos(x/8)..... = sinx/x Prove that (1/2^2)sec^2(x/2) +(1/2^4)sec^2(x/4) +..... = cosec^2x - 1/(x^2)

If cosx=(-sqrt3)/2 and piltxlt(3pi)/2 , then the value of 2cot^2x-3sec^2x is

if sec A=2x and tan A=(2)/(x), find the value of 2(x^(2)-(1)/(x^(2)))

intx((sec2x-1)/(sec2x+1))dx

Least value of function f(x)=(2sec^(2)x+2sec x+1)/(sec^(2)x+sec x+5)is:

The value of int(sec x (2 + sec x))/((1+2 sec x)^(2))dx , is equal to

The value of int(sec x (2 + sec x))/((1+2 sec x)^(2))dx , is equal to

The value of int(sec x (2 + sec x))/((1+2 sec x)^(2))dx , is equal to