Question

If y = 2/√(a² – b²)tan^–1(√((a – b)/(a + b)) tan(x/2)) then prove that d²y/dx² =  bsinx/(a + bcosx)²

Answer 1

We have

y = 2/√(a² – b²)tan^–1(√((a – b)/(a + b)) tan(x/2))

Comments

Thanks