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Calculus- Early Transcendentals, 2021a

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∫<br />

23.<br />

cos 3 udu= 1 3 (2 + cos2 u)sinu +C<br />

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tan 3 udu= 1 2 tan2 u + ln|cosu| +C<br />

cot 3 udu= − 1 2 cot2 u − ln|sinu| +C<br />

sec 3 udu= 1 2 secutanu + 1 ln|secu + tanu| +C<br />

2<br />

csc 3 udu= − 1 2 cscucotu + 1 ln|cscu − cotu| +C<br />

2<br />

sin n udu= − 1 n sinn−1 ucosu + n − 1 ∫<br />

sin n−2 udu<br />

n<br />

cos n udu= 1 n cosn−1 usinu + n − 1 ∫<br />

cos n−2 udu<br />

n<br />

tan n udu= 1<br />

∫<br />

n − 1 tann−1 u − tan n−2 udu<br />

cot n udu= −1<br />

n − 1 cotn−1 u −<br />

∫<br />

cot n−2 udu<br />

sec n udu= 1<br />

n − 1 tanusecn−2 u + n − 2<br />

n − 1<br />

csc n udu= −1<br />

n − 1 cotucscn−2 u + n − 2<br />

n − 1<br />

sinausinbu du =<br />

cosaucosbu du =<br />

sin(a − b)u<br />

2(a − b)<br />

sin(a − b)u<br />

2(a − b)<br />

−<br />

+<br />

∫<br />

∫<br />

sin(a + b)u<br />

2(a + b)<br />

sin(a + b)u<br />

2(a + b)<br />

sec n−2 udu<br />

csc n−2 udu<br />

+C<br />

+C<br />

cos(a − b)u cos(a + b)u<br />

sinaucosbu du = − − +C<br />

2(a − b) 2(a + b)<br />

usinudu= sinu − ucosu +C<br />

ucosudu= cosu + usinu +C<br />

∫<br />

u n sinudu= −u n cosu + n u n−1 cosudu<br />

∫<br />

u n cosudu= u n sinu − n u n−1 sinudu<br />

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