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Special Triangles, Unit Circle in Trigonometry Practice Test
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Q1
On the unit circle, an angle of $\pi/3$ is drawn in standard position, creating a 30-60-90 triangle with radius $1$. Based on the special triangle ratios and $\cos\theta$ being the $x$-coordinate, what is the exact value of $\cos(\pi/3)$?
On the unit circle, an angle of $\pi/3$ is drawn in standard position, creating a 30-60-90 triangle with radius $1$. Based on the special triangle ratios and $\cos\theta$ being the $x$-coordinate, what is the exact value of $\cos(\pi/3)$?