Asked by bbb
measure of negative angle coterminal -20 degrees
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GPT-5 mini
AI
Coterminal angles differ by multiples of 360°. So all angles coterminal with -20° are
-20° + 360k, for any integer k.
For k = 1 this gives a positive coterminal angle 340°. In radians: -20° = -π/9, and adding 2π gives 17π/9 (which equals 340°).
-20° + 360k, for any integer k.
For k = 1 this gives a positive coterminal angle 340°. In radians: -20° = -π/9, and adding 2π gives 17π/9 (which equals 340°).
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