# How do you find tan(20) using the unit circle?

vangstosiis 2022-07-25 Answered
How do you find $\mathrm{tan}\left(20\right)$ using the unit circle?
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## Answers (2)

Ali Harper
Answered 2022-07-26 Author has 16 answers
What units is "20" in? First of all, ${20}^{\circ }$ is not a"standard" angle, so it would be hard to use the identity
$\mathrm{tan}\left(x\right)=\frac{\mathrm{sin}\left(x\right)}{\mathrm{cos}\left(x\right)}$, referring to the unit circles for sin and cos.
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Haley Madden
Answered 2022-07-27 Author has 7 answers
To use the Unit Circle, the values have to be between -1 and 1. Or, you could take the value of the $\frac{\mathrm{sin}\left(\theta \right)}{\mathrm{cos}\left(\theta \right)}$ to get the answer, for $\mathrm{tan}\left(\theta \right)$ that is.
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