SOLUTION: I need to find the exact value of tan40°-tan10°/1+tan40°tan10°
The problem obviously has something to do with sum & difference identities but I have no idea what to do with it.
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-> SOLUTION: I need to find the exact value of tan40°-tan10°/1+tan40°tan10°
The problem obviously has something to do with sum & difference identities but I have no idea what to do with it.
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Question 731805: I need to find the exact value of tan40°-tan10°/1+tan40°tan10°
The problem obviously has something to do with sum & difference identities but I have no idea what to do with it. Answer by lwsshak3(11628) (Show Source):
You can put this solution on YOUR website! I need to find the exact value of tan40°-tan10°/1+tan40°tan10°
Identity: tan(s-t)=(tan s-tan t)/(1+tan s*tan t)
tan40°-tan10°/1+tan40°tan10°=tan(40º-10º)=tan30º=√3/3
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