$\tan \left( - 315 ^ { \circ } \right)$ A) $\sqrt { 2 }$

question 69

Multiple Choice

$\tan \left( - 315 ^ { \circ } \right)$

• A) \(\sqrt { 2 }\)
• B) \(\frac { 2 \sqrt { 3 } } { 3 }\)
• C) 1
• D) \(\frac { 1 } { 2 }\)

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Definitions:

One-Factor Design

A type of experimental design where only one independent variable is manipulated to observe its effect on a dependent variable.

Independent Variable

The factor or condition that researchers manipulate in an experiment to explore its impact on a dependent variable.

Dependent Variable

In research and experiments, it is the outcome factor that is measured to see if it changes as a result of the manipulation of the independent variable.

Experimental Research

A systematic and scientific approach to research in which the researcher manipulates one or more variables to determine their effect on a certain outcome.