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Evaluate: \(\frac{cosx}{1 + cosx}\) |
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Answer» ∫\(\frac{cosx}{1 + cosx}\)dx = ∫(cot x . cosecx – cot2x)dx = -cosec x – ∫(cosec2x – 1)dx = -cosecx -(- cotx) + x + c = -cosecx + cotx + x + c |
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