Solve for b
b = \frac{7 \pi}{4} \approx 5.497787144
Assign b
b≔\frac{7\pi }{4}
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b=\frac{315\pi }{180}
Multiply 4.5 and 70 to get 315.
b=\frac{7}{4}\pi
Divide 315\pi by 180 to get \frac{7}{4}\pi .
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