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December 21, 2014

December 21, 2014

Posted by **McKenna Louise** on Monday, February 10, 2014 at 8:36pm.

- Trigonometry -
**Steve**, Monday, February 10, 2014 at 8:41pmsince the sides are all equal,

s^2 = s^2+s^2 - 2s^2 cosθ

cosθ = 1/2

since you can pick any side, the value for θ is good for all three angles.

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