Principal value of sin⁻¹[cos(sin⁻¹(1/2))] is:
Principal value of sin⁻¹[cos(sin⁻¹(1/2))] is:
- A. π/3
- B. π/6
- C. π/2
- D. π/4
Answer: A) π/3
Explanation: sin⁻¹(1/2) = π/6. cos(π/6) = √3/2. sin⁻¹(√3/2) = π/3.
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