Find the indefinite integral. ∫ (cos t) dt / (1 + sin t) The answer is: ln (1 + sin t) + C But i can't figure out the steps.
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Originally Posted by corinna Find the indefinite integral. ∫ (cos t) dt / (1 + sin t) The answer is: ln (1 + sin t) + C But i can't figure out the steps. Recognise that the numerator is the derivative of the denominator. Hence substituting u for the denominator would work: Hence integral becomes:
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