Solve for y
y=-2
Assign y
y≔-2
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y=3\left(-1\right)+\cos(2\pi )
Get the value of \sin(\frac{3\pi }{2}) from trigonometric values table.
y=-3+\cos(2\pi )
Multiply 3 and -1 to get -3.
y=-3+1
Get the value of \cos(2\pi ) from trigonometric values table.
y=-2
Add -3 and 1 to get -2.
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