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cos^(-1) ((1)/(2)) + 2 sin^(-1) ((1)/(2)...

`cos^(-1) ((1)/(2)) + 2 sin^(-1) ((1)/(2))` का मान कीजिए ।

लिखित उत्तर

Verified by Experts

The correct Answer is:
`implies x + 2y = (pi)/(3) + 2 xx (pi)/(6) = (2 pi)/(3)`
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