Solved

Use a Calculator to Find the Function Value to Four $\cos 21.1 ^ { \circ }$

Question 393

Multiple Choice

Use a calculator to find the function value to four decimal places.
- $\cos 21.1 ^ { \circ }$

A) $0.9330$
B) $0.3859$
C) $0.6285$
D) $0.3600$

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