Math Made Easy: How to Integrate Sec(x)Tan(x) using Substitution Method

secx tanx dx

To integrate sec(x)tan(x) dx, you can use a substitution

To integrate sec(x)tan(x) dx, you can use a substitution. Let’s assume u = sec(x).

First, differentiate u with respect to x:

du/dx = sec(x)tan(x) dx

Rearranging this equation, we have:

sec(x)tan(x) dx = du

Now we can rewrite the integral with the substitution:

∫sec(x)tan(x) dx = ∫du

Integrating du is straightforward:

∫du = u + C

Substituting back u = sec(x), we get:

∫sec(x)tan(x) dx = sec(x) + C

Therefore, the integral of sec(x)tan(x) dx is sec(x) + C, where C is the constant of integration.

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