Find the Values of ? in Degrees $\left( 0 ^ { \circ } \leq \theta \leq 90 ^ { \circ } \right)$

question 8

Multiple Choice

Find the values of ? in degrees $\left( 0 ^ { \circ } \leq \theta \leq 90 ^ { \circ } \right)$ and radians $\left( 0 < \theta < \frac { \pi } { 2 } \right)$ without the aid of a calculator. cos ? = 0 and tan ? = Not defined
?
?

• A)90° = \(\frac { \pi } { 2 }\)
• B)?60° = \(\frac { \pi } { 3 }\)
• C)?0° = 0
• D)?30° = \(\frac { \pi } { 6 }\)
• E)?45° = \(\frac { \pi } { 4 }\)

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Definitions:

Effectance Motivation

The intrinsic motivation to interact with, manipulate, and control one’s environment, often seen in exploratory and playful behaviors.

Reciprocal Causation

A concept where personal behavior, the environment, and individual thoughts influence each other in a loop.

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The intricate interaction or co-operation of multiple factors or elements in a system or situation.

Environmental Factors

External elements, including social, economic, biological, and physical conditions, that can influence an individual's or species' development and behavior.