Math Question
![Make sure your answer is in degrees. You should be able to find this without a calculator.
\[
\cos ^{-1} \frac{-1}{2}=[?]^{\circ}
\]](https://d3hlidq5bf9vg0.cloudfront.net/app-server-student/2021/12/8/5f5878e2-1525-4eef-9288-695aa5d9288f.png "Make sure your answer is in degrees. You should be able to find this without a calculator.
\[
\cos ^{-1} \frac{-1}{2}=[?]^{\circ}
\]")
Solution
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