I need to integrate I know I'm supposed to use the substitution x= a sin theta but I don't know what happens to the coefficient 3...
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Originally Posted by Hellreaver I need to integrate I know I'm supposed to use the substitution x= a sin theta but I don't know what happens to the coefficient 3... Try using the substitution . If you get stuck, post back.
Hello, Hellreaver! I know I'm supposed to use the substitution Look ahead a step or two . . . We want that radical to change from . . to: To do that, we let: . .[1] . . Then: . Substitute: . .[2] From [1], we have: . . . Substitute into [2]: .
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