SOLUTION: Find the exact balue of tan(cos^-1(-5/13))

Question 890558: Find the exact balue of tan(cos^-1(-5/13))
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
Find the exact value of tan(cos^-1(-5/13))
let x=angle whose cos=-5/13
cosx=-5/13 (in quadrants II and III)
tan(cos^-1(-5/13))=tanx=-12/5 (in quadrant II) or 12/5 (in quadrant III)
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