Ask Uncle Colin: What is $\tan(1º)$? | Colin

Ask Uncle Colin is a chance to ask your burning, possibly embarrassing, maths questions — and to show off your skills at coming up with clever acronyms. Send your questions to and Uncle Colin will do what he can.

Dear Uncle Colin,

In my trigonometry homework, I’ve been asked to find the exact value of $\tan(1º)$. I have no idea where to start. Help!

— A Nice, Gentle Little Exercise

Hello, ANGLE. That’s an evil question, on many levels. It’s doable, but it’s not at all easy. In this post, I’ll use degrees because that’s what the question asked. I…

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