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कर जन 3 गस्ि ्ह¢ o |
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Answer» however it still uses the fact that (tgx)' = (secx)^2. I = ∫(secx)^2 * dxlet u = tanx∴du = (secx)^2 * dxI = ∫du=u + c=tanx + c |
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