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COS 120

COS 120

Grade:12

5 Answers

SHANMUKESHWAR
461 Points
6 years ago
-0.5
bashaahmmad
76 Points
6 years ago
-0.5
R.GANGARAJU
68 Points
6 years ago
-1/2
Raghu Vamshi Hemadri
72 Points
6 years ago
 
-0.5
Himanshu
103 Points
5 years ago
cos120 = cos (180 – 60) = – cos60 (:. cos(180 – ∂) = cos∂ ) = – ½When an angle lies in second or third quadrant, then cos is always negative but cos is always positive in fourth quadrant of a plane.

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