MAT136H1 Lecture Notes - Trigonometric Functions
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MAT136H1 Full Course Notes
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Question #1 (easy): evaluating the integral of sine & cosine with odd power. When the integral contains either or raised to odd power, then split the odd power into one power and the rest which is of even power. Then, based on the identity , even power trigonometric function can be grouped with its derivative counterpart. Since both and are raised to odd power, either one can be chosen to apply the identity. Since it is easier to work with lesser power, split into , then based on , becomes ( ) .