Use a calculator to find the function value. Give your answer rounded to seven decimal places, if necessary.
-$\sin 238 ^ { \circ } 19 ^ { \prime }$
A) $- 0.8409639$
B) $- 0.8609639$
C) $- 0.8519639$
D) $- 0.8509639$

Question

Quizplus · Accepted Answer

To find the sine of $238^\circ 19'$, first convert the angle to decimal form: $238 + \frac{19}{60} = 238.3166667^\circ$. Then, use a calculator to find $\sin(238.3166667^\circ)$, which gives $-0.8509639$, matching option D.

Use a Calculator to Find the Function Value sin⁡238∘19′\sin 238 ^ { \circ } 19 ^ { \prime }sin238∘19′

Use a Calculator to Find the Function Value $\sin 238 ^ { \circ } 19 ^ { \prime }$