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THE WAY TO TAAKE ANGLES

THE WAY TO TAAKE ANGLES

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Grade:12

1 Answers

Abhishek Singh
105 Points
8 years ago
Sin(pi/18)Sin(5pi/18)Sin(5pi/18)=Cos(8pi/18)Cos(4pi/18)Cos(2pi/18)=Sin(16pi/18)/8sin(2pi/18)=1/8

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