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anonymous
 2 years ago
help!!!!!!!!!!!!!!!!!!!!!
anonymous
 2 years ago
help!!!!!!!!!!!!!!!!!!!!!

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anonymous
 2 years ago
Best ResponseYou've already chosen the best response.0use unit circle and 30 60 90 triangles to find the values in degrees of each expression cos^1 (sqrt3)/2

anonymous
 2 years ago
Best ResponseYou've already chosen the best response.0@chrisplusian help me please

anonymous
 2 years ago
Best ResponseYou've already chosen the best response.0do you have a copy of the triangle?

anonymous
 2 years ago
Best ResponseYou've already chosen the best response.0do you mean the sheet you gave me

anonymous
 2 years ago
Best ResponseYou've already chosen the best response.0I would set \[y=\cos^{1}(\frac{ \sqrt{3} }{ 2 })\] if you take the cosine of both sides you get \[\cos(y)=\frac{ \sqrt{3} }{ 2 }\] cos is the x value in the unit circle.so the cosine value =\[\frac{ \sqrt{3} }{ 2 }\] at \[\frac{ \pi }{ 6 }\] or 30 degrees
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