RD Sharma Chapter 4 : Inverse Trigonometric Function Exercise 4.12 Solutions
- If cos^-1(x/2) + cos^-1(y/3) = α, then prove that 9x^2 – 12xycos α + 4y^2 = 36sin^2 α. Watch Solution
- Solve the equation : cos^-1(a/x) – cos^-1(b/x) = cos^-1(1/b) – cos^-1(1/a) Watch Solution
- Solve cos^-1(√3x) + cos^-1(x) = π/2 Watch Solution
- Prove that: cos^-1(4/5) + cos^-1(12/13) = cos^-1(33/65) Watch Solution