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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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OpenStudy (anonymous):
tanx does not equal sinx cosx it is sinx/cosx
OpenStudy (anonymous):
Okay, assuming this is so... what do you when you say "1cosA"? Do you mean \(\Large \frac1{\cos A}\) ?
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