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OpenStudy (anonymous):
Find the exact value of the expression, if possible. Do not use a calculator. cos (cos-1 0.2) A. 0.2 B. 3.3 C. 2.9 D. 1
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OpenStudy (anonymous):
cos neutralizes cos-1 so there is just 0.2 answer is A.
OpenStudy (anonymous):
Thanks for helping me marsss
OpenStudy (anonymous):
welcome :)
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