The problem asks us to evaluate $\tan(\frac{7\pi}{3})$.

ArithmeticTrigonometryTangent FunctionAngle ConversionUnit Circle
2025/3/12

1. Problem Description

The problem asks us to evaluate tan(7π3)\tan(\frac{7\pi}{3}).

2. Solution Steps

First, we can simplify the argument of the tangent function. We want to find an angle coterminal with 7π3\frac{7\pi}{3} that lies between 00 and 2π2\pi. We can do this by subtracting multiples of 2π2\pi from 7π3\frac{7\pi}{3}:
7π32π=7π36π3=π3\frac{7\pi}{3} - 2\pi = \frac{7\pi}{3} - \frac{6\pi}{3} = \frac{\pi}{3}.
Therefore, tan(7π3)=tan(π3)\tan(\frac{7\pi}{3}) = \tan(\frac{\pi}{3}).
The angle π3\frac{\pi}{3} radians is 6060^\circ.
tan(π3)=sin(π3)cos(π3)\tan(\frac{\pi}{3}) = \frac{\sin(\frac{\pi}{3})}{\cos(\frac{\pi}{3})}.
We know that sin(π3)=32\sin(\frac{\pi}{3}) = \frac{\sqrt{3}}{2} and cos(π3)=12\cos(\frac{\pi}{3}) = \frac{1}{2}.
Therefore,
tan(π3)=3212=3221=3\tan(\frac{\pi}{3}) = \frac{\frac{\sqrt{3}}{2}}{\frac{1}{2}} = \frac{\sqrt{3}}{2} \cdot \frac{2}{1} = \sqrt{3}.

3. Final Answer

3\sqrt{3}

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