MHT CET202311 May 2023Morning ShiftMathematicsInverse Trigonometric FunctionsActual
The value of 2 ⁻¹ 1 2 + ⁻¹ 1 7
Options
- A⁻¹ ( 17 31 )
- B⁻¹ ( 19 31 )
- C⁻¹ ( 31 17 )
- D⁻¹ ( 31 19 )
Correct answer
C. ⁻¹ ( 31 17 )
Step-by-step solution
aligned & 2 ⁻¹ 1 2 + ⁻¹ 1 7 & = ⁻¹ ( 2 ( 1 2 ) 1- ( 1 2 )^2 )+ ⁻¹ ( 1 7 ) & = ⁻¹ ( 4 3 )+ ⁻¹ ( 1 7 ) & = ⁻¹ ( 4 3 + 1 7 1- ( 4 3 ) ( 1 7 ) ) & = ⁻¹ ( 31 17 ) aligned