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OpenStudy (anonymous):
Complete the identity. sin(a+b)/cos a cos b = ?
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OpenStudy (misty1212):
HI!!
OpenStudy (misty1212):
it is a lot of different things one choice is \[\tan(a)+\tan(b)\] but there are others
OpenStudy (anonymous):
Hey and okay..
OpenStudy (anonymous):
These are my answer choices A. cot α + cot β B. tan β + tan α C. tan α + tan β D. -tan α + cot β
OpenStudy (misty1212):
c and d are identical
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OpenStudy (misty1212):
pick both
OpenStudy (anonymous):
I can only pick one
OpenStudy (anonymous):
I say C, agree?
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