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যদি

y = \sin^{3} x

y_{n}

এর মান কত ?

\frac{1}{4} \sin [3 \sin (\frac{n π}{2} + x)

3^{n} \sin (\frac{n π}{2} + 3 x)]

(\frac{n π}{2} + 3 x)]

\sin [3 \sin (\frac{n π}{2} + x) - 3^{n} \sin (\frac{n π}{2} + 3 x)]

\frac{1}{4} \sin [3 \sin (\frac{n π}{2} + x) - 3^{n} \sin (\frac{n π}{2} + 3 x)]

ANS : 5

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