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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