lect138_3_w11

# lect138_3_w11 - Monday January 10 Lecture 3 Integration...

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Monday January 10 Lecture 3 : Integration Methods : Trigonometric integrals (Refers to Section 7.2 in your text) Expectations : 1. Apply some of the common trigonometric identities to transform integrands to ones that can be integrated by substitution or by parts . 3.1 Our objective We will be looking at various methods of integration for integrands that contain trig functions. Given an integrand which appears to be difficult to integrate in its given form, we attempt to re-express it either as a sum or/and product of simpler functions; the form we seek allows us to integrate the expression by using more elementary techniques such as integration by substitution or integration by parts. We will discuss techniques for integrating 3 types of integrands: 3.2 Recall the identities First, here are some trig identities which one should be familiar with or at least have readily accessible:

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3.3 Integrands of the form sin m ( x )cos n ( x ).
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lect138_3_w11 - Monday January 10 Lecture 3 Integration...

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