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Home Exponential and Logartihmic Functions Derivatives and Integrals Involving ln x Examples Example 4
 
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Example 4

Find ∫tan θ dθ. We have tan θ = (sin θ/cos θ). Let u = cos θ, du = - sin θ dθ.

Then

08_exp-log_functions-375.gif

Remember the absolute value sign inside the logarithm. It is needed because cos θ may be negative.
Home Exponential and Logartihmic Functions Derivatives and Integrals Involving ln x Examples Example 4

Last Update: 2006-11-16