A Level

MATHEMATICS · Multi-part · A Level · Mathematics · Integration · Integration

Problem

Evaluate: (1) (i) ∫1sin⁡(x−a)cos⁡(x−b) dx(i)\ \int \frac{1}{\sin(x-a)\cos(x-b)}\,dx (2) (ii) ∫1cos⁡(x−a)cos⁡(x−b) dx(ii)\ \int \frac{1}{\cos(x-a)\cos(x-b)}\,dx

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