Home › CBSE Class 12 (Commerce) › Mathematics › Inverse Trigonometric Functions › Add cos⁻¹(1/2) to twice sin⁻¹(1/2); the total is
Add cos⁻¹(1/2) to twice sin⁻¹(1/2); the total is
A2π/3
Bπ/2
Cπ
Dπ/3
Answer & Solution
Correct answer: A. 2π/3
cos⁻¹(1/2) = π/3 and 2 sin⁻¹(1/2) = 2(π/6) = π/3, which add up to 2π/3.
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