Use the Fundamental Identities to Find the Value of the Trigonometric

question 131

Multiple Choice

Use the fundamental identities to find the value of the trigonometric function.
-Find $\sec \theta$ if $\cos \theta = \frac { 1 } { 4 }$ and $\sin \theta > 0$ .

• A) \(\frac { \sqrt { 15 } } { 15 }\)
• B) 4
• C) \(- 4\)
• D) \(\sqrt { 15 }\)

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Definitions:

Null Hypothesis

A statement used in statistics that proposes there is no significant difference or effect in a given set of observations.

Directional

Pertaining to or indicating the direction in which something is oriented or moves.

Alternative Hypothesis

The hypothesis that proposes a specific relationship between variables, tested against the null hypothesis in statistical analysis.

Alternative Hypothesis

In statistical testing, the hypothesis that suggests there is a significant difference between the specified populations, contrary to the null hypothesis.