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OpenStudy (anonymous):
Simplify tan ((pi/4) -θ)
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OpenStudy (anonymous):
those are the answer choices
OpenStudy (anonymous):
help please
OpenStudy (anonymous):
tan (A - B) = (tan A - tan B)/(1 + (tan A)(tan B)) substitute pi/4 for A and θ for B tan pi/4 = 1
OpenStudy (anonymous):
tan ((pi/4) -θ) = (1 - tanθ ) / (1 + tan θ)
OpenStudy (anonymous):
no. 3
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