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3psilon
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180<theta<270 and cos(theta) = .707 what is the value of tan(theta/2)
 2 years ago
 2 years ago
3psilon Group Title
180<theta<270 and cos(theta) = .707 what is the value of tan(theta/2)
 2 years ago
 2 years ago

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3psilon Group TitleBest ResponseYou've already chosen the best response.0
Why is the answer a negative? It is in the 3rd quadrant and tan is positive there
 2 years ago

Jonask Group TitleBest ResponseYou've already chosen the best response.0
dw:1351264853703:dw
 2 years ago

Jonask Group TitleBest ResponseYou've already chosen the best response.0
\[\tan \frac{ \theta }{ 2 }=\frac{ \sin \frac{ \theta }{ 2 } }{ \cos \frac{ \theta }{ 2 } }=\frac{2\sin \theta \cos \theta}{\sqrt{\cos \theta+1}}\]
 2 years ago
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