Question
Class 12MathematicsInverse Trigonometry Continuity and Differentiability
If y = log tan (π/4 + x/2), show that dy/dx= sec. Also find the value of d²y/dx² at x = π/4.
Verified Answer
If y = log tan (π/4 + x/2), show that dy/dx= sec. Also find the value of d²y/dx² at x = π/4.