SOLUTION: How do you find the exact value of tan 285

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Question 871913: How do you find the exact value of tan 285
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
How do you find the exact value of
tan 285=tan(45+240)=tan(45)+tan(240)/(1-tan(45)*tan(240))=(1+√3)/(1-√3)
Check with calculator:
tan285˚≈-3.7320…
Exact value=(1+√3)/(1-√3)≈-3.7320…