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OpenStudy (anonymous):
Given the identity tanX=sinXcosX and the relationship between the sine and cosine of complementary angles, what is tan (90°− A)? 1cosA 1sinA 1tanA sinAcosA
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Directrix (directrix):
tanX=sinX / cosX not sin x times cos x
OpenStudy (anonymous):
oh wait so the answer would be A
Directrix (directrix):
|dw:1449563945866:dw|
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