Evaluate $\arccos \frac { \sqrt { 3 } } { 2 }$ without using a calculator.
A) $- \frac { \pi } { 6 }$
B) $\frac { \pi } { 4 }$
C) $- \frac { 3 \pi } { 4 }$
D) $\frac { \pi } { 6 }$
E) $\frac { \pi } { 3 }$

Question

Quizplus · Accepted Answer

The value of $\arccos \frac { \sqrt { 3 } } { 2 }$ corresponds to the angle whose cosine is $\frac { \sqrt { 3 } } { 2 }$. This is the angle $\frac { \pi } { 6 }$ or 30 degrees in the unit circle.

Evaluate arccos⁡32\arccos \frac { \sqrt { 3 } } { 2 }arccos23​​

Evaluate $\arccos \frac { \sqrt { 3 } } { 2 }$