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Vicfitbit
Vicfitbit Vicfitbit
  • 21-01-2017
  • Mathematics
Answered

How do I find sin(-17pi/3)?

Verified Answer :

bcalle
bcalle bcalle
  • 21-01-2017

Since it's negative you just go clockwise instead of counterclockwise around the circle. One full revolution is -6pi/3, two revolutions are -12pi/3, three would be -18pi/3. This tells you it's pi/3 shy of being 3 full revolutions sin -17pi/3 would be the same as pi/3.
Sin pi/3= 1/2

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