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Given the following unit circle, rotategreen dot to the appropriate angle andthen find the exact value of the function.sin 210°

Given the following unit circle rotategreen dot to the appropriate angle andthen find the exact value of the functionsin 210 class=

Respuesta :

Explanation

If we move the green dot by 210 degrees we will have the green dot fall in the third quadrant. This can be seen below

Therefore,

[tex]\begin{gathered} since\text{ sine is negative in third quadrant} \\ sin210^0=sin(180+30)=-sin30=-0.5 \end{gathered}[/tex]

Answer: -0.5

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