1) integral [tan^2x sec^2 x] dx 2) integral (6 cos t)/(2+sin t)^3 dt On the first, what should be u? Should I use trig identities to simplify first? On the second, I had u=2+sin t, then du=cos t....would this be correct? Thx, ~CC
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Originally Posted by calvin_coolidge 1) integral [tan^2x sec^2 x] dx 2) integral (6 cos t)/(2+sin t)^3 dt On the first, what should be u? Should I use trig identities to simplify first? On the second, I had u=2+sin t, then du=cos t....would this be correct? Thx, ~CC 1) Let and . The integral is now 2) Let and . The integral is now
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