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anonymous
 5 years ago
Why is cos pi/3 is equal to 1/2 ?
anonymous
 5 years ago
Why is cos pi/3 is equal to 1/2 ?

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0give me an explanation.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0pi/3 is equal to 60 degrees and you use the reference triangle to solve

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0if you take the trigonometric circle (with radius one cm)and draw the angle pi/3 or 60 grades, and measure its projection on the x axis , it will be 0.5 cm

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0np :) that's how it works with all the other angles, for cos and sin
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