NDA2021MathematicsInverse Trigonometric FunctionsActual
What is the value of the following? [ ⁻¹ 3 5 + ⁻¹ 3 2 ]
Options
- A6 17
- B7 16
- C16 7
- D17 6
Correct answer
A. 6 17
Step-by-step solution
aligned & Let ⁻¹ 3 5 = = 3 5 & = 3 5^2-3^2 = 3 4 & = [ ⁻¹ 3 4 + ⁻¹ 2 3 ] & = [ ⁻¹ ( 3 4 + 2 3 1- 3 4 2 3 ) ] & = [ ⁻¹ ( 17 6 ) ]= [ ⁻¹ ( 6 17 ) ]= 6 17 aligned