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OpenStudy (anonymous):
Use a calculator to find all solutions in the interval (0, 2π). Round the answers to two decimal places. (Enter your answers as a comma-separated list. If there is no solution, enter NO SOLUTION. cos x = 0.509 How would you solve this?
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OpenStudy (tkhunny):
You should start with the \(\left[cos^{-1}(x)\right]\) button.
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