Reference Angle Of 120

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Reference Angle Of 120. The reference angle is always the smallest angle that you can. It is always 90.

Solution The Angles Of The Triangle Are 30 30 120 Two Of The Sides Lengths Are 2 Times The Square Root Of Internet Marketing Tools Square Roots Solutions
Solution The Angles Of The Triangle Are 30 30 120 Two Of The Sides Lengths Are 2 Times The Square Root Of Internet Marketing Tools Square Roots Solutions from www.pinterest.com

We can show that 120 degrees can be represented in two angles whose value can be taken from trigonometry table. This angles terminal side because 210is between 180and 270 is in the third quadrant and this side is closest to the negative x-axis. For an angle of 120 degrees we would subtract that from 180 degrees to find the reference angle.

The reference angle is always between 0 0 0 and π 2 fracpi2 2 π radians or between 0 0 0 and 90 90 9 0 degrees.

If angle A is in quadrant IV then the reference angle A r 360 - A if A is given degrees and A r 2π - A if A is given in radians. Reference angles can also be used to find the coordinates of a point on a circle. Therefore this angle would be in the second quadrant. For an angle of 120 degrees we would subtract that from 180 degrees to find the reference angle.