Evaluate the following without using a calculator coscos ()) Note: Write your answer as a fraction, do not write decimal approximations. For example, write 1/2
Evaluate the following without using a calculator coscos ()) Note: Write your answer as a fraction, do not write decimal approximations. For example, write 1/2 but not 0.5. If the answer has an then write Pi or pi or ST . COS -1 COS
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