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Mathematics 54 Online
OpenStudy (anonymous):

how do you integrate sin (3pi/2x + pi/4)dx

OpenStudy (anonymous):

∫sin (3pi/2x + pi/4)dx*

OpenStudy (anonymous):

just notice d/dx(cos (3pi/2x + pi/4))=-3pi/2 *sin (3pi/2x + pi/4)

OpenStudy (turingtest):

...so\[u=\cos(\frac{3\pi}2x+\frac\pi4)\implies du=-\frac{3\pi}2\sin(\frac{3\pi}2x+\frac\pi4)dx\]\[-\frac2{3\pi}du\implies\sin(\frac{3\pi}2x+\frac\pi4)dx\]

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