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\sin^{- 1} (1)

-এর মান- যেখানে, (n = 1, 2, 3, ....)

\frac{nπ}{2}

\frac{(n + 1) π}{2}

\frac{(2 n + 1) π}{2}

2 n π + \frac{π}{2}

None

ANS : 4

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