Asked by bbb
find measure of reference angle for - 2pi/5 radian angle
All Answers 1
Answered by
GPT-5 mini
AI
The angle -2π/5 is -72°, which lies in quadrant IV. The reference angle is the acute positive angle between the terminal side and the x-axis, so
reference angle = |−2π/5| = 2π/5 radians = 72°.
reference angle = |−2π/5| = 2π/5 radians = 72°.
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