Math, asked by RAVAN18, 9 months ago

Cos(2π/3) what is the solution

Answers

Answered by Anonymous

2

Answer:

cos(2π/3)=cos(2×180°/3)=cos(120°)=(-1/2)

Answered by rajesh8795

2

Answer:

cos(2π/3)= cos(π-π/3)

=- cos(π/3)

=-1/2

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