Mark (√) against the correct answer in each of the following:


Given:



Let x-α=t


dx=dt




=∫cos α+sin α cot t dt


=t cos α+sin α ln|sin t |+c


=(x-α) cos α+(sinα)ln|sin(x-α) |+c


=x cos α+ (sin α)ln|sin(x-α) |+c

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