Question: Use a calculator to evaluate each function. Round your answers to four decimal places. (Be sure the calculator is in the correct mode.) 1. (a)

Use a calculator to evaluate each function. Round your answers to four decimal places. (Be sure the calculator is in the correct mode.)
1. (a) cos 38.90............ (b) sec 79.30
2. (a) sin (π / 18) ........... (b) cot (5π / 6)

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