Find the trigonometric function of 120° OR (2π/3)^c.
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Find the trigonometric function of 120° OR (2π/3)^c.
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Now we know that sin(A+B)=sinAcosB+cosAsinB. Hence we will use the formula to expand sin(90∘+30∘) . Hence the value of sin(120∘)=√32 .