Math, asked by hackergamingpro004, 18 hours ago

value of cos(660°)?

Answers

Answered by VIHAR369

0

Answer:

$cos(660) = 0.5$

Answered by dkchakrabarty01

0

Answer:

660=360+300

This angle is in 4th quadrant

cos(660)=cos(300)

cos(300)=cos (360-60)=cos 60=1/2

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