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2Sin a=2-Cos A, FIND SinA

2Sin a=2-Cos A, FIND SinA
 

Grade:10

1 Answers

Sher Mohammad IIT Delhi
askIITians Faculty 174 Points
8 years ago
Cos A=2-2 Sina
SinA= sqrt9(1-Cos A 2)
=(1- 4(1-Sina)2)

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