Let θ Be an Angle in Standard Position $\tan \theta = - \frac { 8 } { 3 } , \quad \theta$

question 334

Multiple Choice

Let θ be an angle in standard position. Name the quadrant in which the angle θ lies.
- $\tan \theta = - \frac { 8 } { 3 } , \quad \theta$ in quadrant II Find $\cos \theta$ .

• A) \(- \frac { 3 \sqrt { 73 } } { 73 }\)
• B) \(\frac { 3 \sqrt { 73 } } { 73 }\)
• C) \(\frac { \sqrt { 73 } } { 8 }\)
• D) \(- \frac { \sqrt { 73 } } { 3 }\)

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Definitions:

T-test

A statistical test used to determine if there is a significant difference between the means of two groups which may be related in certain features.

Sampling Distribution

The probability distribution of a statistic based on a large number of samples drawn from a specific population.

Sample Mean Difference

The calculated disparity between the mean values of two samples from different populations or treatments.

Independent Samples

Refers to two or more groups of samples that are selected from different populations, and each selection does not affect the other selections.