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OpenStudy (anonymous):
(2 tan 112.5°)/(1 - tan^2 112.5°) double angle identities
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OpenStudy (anonymous):
tan 112.5° tan 225° tan 56.25° 2 tan 112.5°
OpenStudy (anonymous):
@dan815
OpenStudy (anonymous):
that is the double angle formula for tangent as you said
OpenStudy (anonymous):
yea you have to rewrite it
OpenStudy (anonymous):
double \(112.5^\circ\) to get your answer
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OpenStudy (anonymous):
225?
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