SOLUTION: What is the exact value of tan(cos^-1(-4/7)) ?
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Question 387952: What is the exact value of tan(cos^-1(-4/7)) ?
Found 2 solutions by robertb, user_dude2008:
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
Let . Then , and we have to find the value of . Now ---->, so that, by using the identity , we get , or .
Then . Tangent of is negative because means is in the 2nd quadrant.
Answer by user_dude2008(1862) (Show Source): You can put this solution on YOUR website!
\right)=-\frac{\sqrt{33}}{4})
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