Evaluate the expression.Round your result to two decimal places. $$\arccos \left( - \frac { 2 } { 3 } \right)$$
A)0.30
B)1.30
C)4.30
D)3.30
E)2.30

Name: Evaluate the expression.Round your result to two decimal places. \[\arccos \left( - \frac { 2 } { 3 } \right)\] A)0.30 B)1.30 C)4.30 D)3.30 E)2.30
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Question

Evaluate the expression.Round your result to two decimal places.​ $$\arccos \left( - \frac { 2 } { 3 } \right)$$ ​
A)0.30
B)1.30
C)4.30
D)3.30
E)2.30

Quizplus · Accepted Answer

The arccosine of $-\frac{2}{3}$ is the angle whose cosine is $-\frac{2}{3}$. This angle is in the second quadrant, and its approximate value is 2.30 radians.

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Evaluate the Expression $\arccos \left( - \frac { 2 } { 3 } \right)$