SOLUTION: The problem is asking me to use the angle sum or difference identity to find the exact value of Tangent 285�

Question 814389: The problem is asking me to use the angle sum or difference identity to find the exact value of
Tangent 285�
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
The problem is asking me to use the angle sum or difference identity to find the exact value of
Tangent 285�
***
tan(285˚)=tan(240+45)=tan(240)+tan(45)/(1-tan(240)tan(45))
=(√3+1)/(1-√3*1)=(1+√3)/(1-√3)
Check: (w/calculator)
tan(285˚)≈-3.732..
exact value=(1+√3)/(1-√3)≈-3.732..
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