Asked by bbb

measure of negative angle coterminal -20 degrees

All Answers 1

Answered by 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°).