Question

Asked Nov 4, 2019

Step 1

Find the reference angle for the given angles.

Step 2

The reference angle is the angle that the given angle makes with the *x*-axis.

Part a: 120 degree.

Step 1: Determine the quadrant of given angle.

120 is lies between angle 90 and 180 (second quadrant)

So, terminal side is in quadrant 3rd.

Step 2 : Determine the operation.

Subtract the angle from 180 degrees.

Step 3

Part b: 230 degree.

Angle 230 is lies between 180 and 270.

So, terminal s...

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