Use a calculator to find the function value. Give your answer rounded to seven decimal places, if necessary.
-$\cos 205 ^ { \circ } 3 ^ { \prime }$
A) $- 0.9059386$
B) $- 0.5529693$
C) $- 0.4529693$
D) $- 0.7059386$

Question

Quizplus · Accepted Answer

To find the cosine of 205 degrees and 3 minutes, first convert the angle to decimal form: 205 degrees + (3/60) degrees = 205.05 degrees. Then, use a calculator to find $\cos(205.05^\circ)$, which gives approximately -0.9059386.

Use a Calculator to Find the Function Value cos⁡205∘3′\cos 205 ^ { \circ } 3 ^ { \prime }cos205∘3′

Use a Calculator to Find the Function Value $\cos 205 ^ { \circ } 3 ^ { \prime }$