Omar wants to determine cos(- (2pi)/3) using the ratios of the 30 degrees - 60 degrees - 90 degrees right triangle . How shoulc

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3 years ago

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he use this information to determine cos(- (2pi)/7)

1 answer:

Zinaida [17] · Answer 1 · 2022-04-05T15:36:05+03:00

7 0

Answer:use the reference angle if a 30°and the fact that -2pi/3 is in the 3rd quadrant to determine coz

Step-by-step explanation:

i dont know if this is right just an educational guess, came here looking for the answer but couldn’t find it so