Find All Values of , If Is in the Interval $\cos \theta = \frac { 1 } { 2 }$

question 176

Multiple Choice

Find all values of , if is in the interval [0, 360°) and has the given function value.
- $\cos \theta = \frac { 1 } { 2 }$

• A) \(60 ^ { \circ }\) and \(120 ^ { \circ }\)
• B) \(60 ^ { \circ }\) and \(300 ^ { \circ }\)
• C) \(150 ^ { \circ }\) and \(210 ^ { \circ }\)
• D) \(210 ^ { \circ }\) and 330

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Definitions:

Normal Goods

Goods for which demand increases as the income of the consumer increases, exhibiting a direct relationship between income and demand.

Complementary Goods

Goods that are typically consumed together, such that the demand for one increases when the price of the other decreases.

Substitute Goods

Goods that can be used in place of each other, where an increase in the price of one leads to an increase in demand for the other.

Independent Goods

Products or services whose demand is not directly related to the demand for other goods; their consumption or purchase does not affect the consumption or purchase of other products.