How do you find the measures of two angles, one positive and one negative, that are coterminal with pi/7?

1 Answer
Jim G.
Aug 9, 2018

(15pi)/7" and "-(13pi)/7

Explanation:

"to find a positive and negative coterminal angle"

• " add and subtract "2pi" to the given angle"

pi/7+2pi=pi/7+(14pi)/7=(15pi)/7larrcolor(red)"positive"

pi/7-2pi=pi/7-(14pi)/7=-(13pi)/7larrcolor(red)"negative"

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