"S 4-9w2 SACT- dw dw prove that this is correct to find the derivative - 91402 dw Let u = -(%W) 2 3/2 94 w के अन्दर du 引応 → 1/15 sin ~ 1 (u) + c "J = dw du = 1/2 dw dw = 1/1 du sin (w) + C

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