Solve the Equation for Exact Solutions $\arcsin 2 x + 2 \arccos x = \pi$

question 126

Multiple Choice

Solve the equation for exact solutions.
- $\arcsin 2 x + 2 \arccos x = \pi$

• A) \(\left\{ - \frac { \sqrt { 3 } } { 2 } , \frac { \sqrt { 3 } } { 2 } \right\}\)
• B) \(\{ 0 \}\)
• C) \(\left\{ - \frac { \sqrt { 3 } } { 4 } , \frac { \sqrt { 3 } } { 4 } \right\}\)
• D) \(\{ 1 \}\)

---

Definitions:

Margin of Error

A numerical value that indicates the extent of variability due to chance in the findings of a poll.

First Word

The very initial word in a sentence, document, statement, or a segment of text.

Confidence Interval

A range of values derived from sample data that is likely to contain the value of an unknown population parameter, with a given probability.

Child Development

The physical, cognitive, social, and emotional changes that occur in humans from birth through late adolescence.