cscx cotx dx
-cscx + C
We can start by using the identity:
csc(x) = 1/sin(x)
cot(x) = cos(x)/sin(x)
So, we have:
csc(x) cot(x) dx = (1/sin(x)) * (cos(x)/sin(x)) dx
Now, we can use a substitution to simplify the integral. Let u = sin(x), then du/dx = cos(x) dx. We can rearrange this to get dx = du/cos(x).
Substituting this into the integral, we have:
csc(x) cot(x) dx = (1/u) * (cos(x)/sin(x)) * (du/cos(x))
Simplifying, we get:
csc(x) cot(x) dx = du/u
Now, we can integrate this expression:
∫ csc(x) cot(x) dx
= ∫ du/u
= ln|u| + C
Substituting back in for u, we get:
∫ csc(x) cot(x) dx = ln|sin(x)| + C
Therefore, the antiderivative of csc(x) cot(x) is ln|sin(x)| + C.
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