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OpenStudy (hap1236):
simplify cos^-1 (sqrt 3 /2)
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OpenStudy (hap1236):
|dw:1469930371058:dw|
OpenStudy (hap1236):
A. 60° B. 30° C. 240° D. 150°
OpenStudy (hap1236):
@zepdrix
TheSmartOne (thesmartone):
Hint: 30-60-90 triangles have a side ratio of 1-sqrt(3)-2 |dw:1469940064383:dw|
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