how is the integral of sin 2t = -1/2cos 2t? i cant seem to get where the 1/2 comes from.
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It might help to look at the problem in reverse: The 1/2 is there to cancel the 2 coming from the part of the chain rule. Post again in this thread if you're still having trouble.
Originally Posted by calculus0 how is the integral of sin 2t = -1/2cos 2t? i cant seem to get where the 1/2 comes from. If you do not understand the direct formula, try substitution method: let then substitute in the above answer"
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