Find the value of cos[π/3 − sin⁻¹(−1/2)]:
Find the value of cos[π/3 − sin⁻¹(−1/2)]:
- A. 0
- B. 1/2
- C. 1
- D. √3/2
Answer: C) 1
Explanation: sin⁻¹(−1/2) = −π/6. π/3 − (−π/6) = π/3+π/6 = π/2. cos(π/2) = 0. Option 0 is 0. Correct.
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