cos-1(1/2) + 2sin-1(1/2) का मान ज्ञात कीजि – InterviewSolution

1.	cos-1(1/2) + 2sin-1(1/2) का मान ज्ञात कीजिए।
Answer» cos^-1(1/2) + 2sin^-1(1/2) = π/3 + 2 x π/6 = π/3 + π/3 = 2π/3

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