Find the Reference Angle 330

Problem

330

Solution

1. Identify the quadrant in which the given angle θ=330 lies. Since 270<330<360 the angle is in the fourth quadrant (Quadrant IV).

2. Apply the formula for the reference angle θ′ in Quadrant IV, which is θ′=360−θ

3. Substitute the value of the angle into the formula: θ′=360−330

4. Subtract the values to find the reference angle.

Final Answer

θ′=30

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