# Convert to Rectangular Coordinates (0,-(7pi)/6)

Convert to Rectangular Coordinates (0,-(7pi)/6)
Use the conversion formulas to convert from polar coordinates to rectangular coordinates.
Substitute in the known values of and into the formulas.
Add full rotations of until the angle is greater than or equal to and less than .
Apply the reference angle by finding the angle with equivalent trig values in the first quadrant. Make the expression negative because cosine is negative in the second quadrant.
The exact value of is .
Multiply .
Multiply by .
Multiply by .
Add full rotations of until the angle is greater than or equal to and less than .
Apply the reference angle by finding the angle with equivalent trig values in the first quadrant.
The exact value of is .
Multiply by .
The rectangular representation of the polar point is .
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