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OpenStudy (anonymous):
By the substitution x=3sin theta, find integral sign -3 dx/sqrt (9-x^2)
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OpenStudy (anonymous):
alright so your x=3sin(theta) so your dx=3cos(theta), correct?
OpenStudy (anonymous):
and if you wanted you could find sqrt(a^2-u^2) by ding this |dw:1314221670706:dw|
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