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Math 142
Techniques of Integration Trigonometric Integrals
The book gives lots of rules/strategies. Read them but do NOT memorize. Use logic instead, as done below! Recall the following natural pairings (in terms of derivatives): sin cos tan sec cot csc
Polar Coordinates
Our old trustly friend, Cartesian coordinates, are handy when dealing with boxy objects.
Our new friend, polar coordinates, are handy when dealing with windy/circular objects.
In this handout, lets abbreviate:
Cartresian coordinates by C