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Evaluate: sin(3\ sin^(-1)0. 4)...

Evaluate: `sin(3\ sin^(-1)0. 4)`

Text Solution

Verified by Experts

Let `E = sin[3 sin^-1 (0.4)]`

put `sin¹ (0.4) = theta`

=> `sin theta = 0.4`

So,`E= sin (3theta) = 3 sin theta - 4 sin³ theta`

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