SOLUTION: Is the exact value of tan(7pi/8)=(1-sqrt2)?
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Question 851541: Is the exact value of tan(7pi/8)=(1-sqrt2)?
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
Is the exact value of tan(7pi/8)=(1-sqrt2)?
Identity:
(in quadrant IV in which sin<0)
(in quadrant IV in which cos>0)
The exact value of tan(7pi/8)=≈-0.4142
≈-0.4142
It appears the answer is yes.
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