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:

Rejection Region

A statistical term referring to the range of values for which a null hypothesis is rejected in hypothesis testing.

Reaction Times

The duration of time it takes from the presentation of a stimulus to the initiation of a response, often measured in psychological experiments.

Friedman's Test

Aimed at detecting treatment differences without relying on parameter-based assumptions, this test is applied across multiple attempts.

Experimental Design

The process of planning an experiment to ensure that it can test hypotheses effectively and produce valid and reliable results.