Question

integration of sin x upon cos x

Answer 1

Integeration of sinx/cosx:

Let's take Cosx = U

d(cosx)/dx= Sinx :- dx=du/sinx

integration of (sinx/u)*du/sinx

integration of du/u= log|u|+c

=log|cosx|+c
I hope u understand well..

Answer 2

Go through the attachment
Hope it's helpful for you


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