Give the Signs of the Three Trigonometric Functions of the Vector

question 18

Multiple Choice

Give the signs of the three trigonometric functions of the vector with the endpoint (-3, 5) .

• A)sine, negative; cosine, positive; tangent, positive
• B)sine, positive; cosine, positive; tangent, negative
• C)sine, positive; cosine, negative; tangent, positive
• D)sine, positive; cosine, negative; tangent, negative

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Definitions:

Proportion

A part or fraction of a whole, often expressed as a percentage or ratio, reflecting the relative size or quantity of one quantity compared to another.

Population Proportions

Population proportions represent the fraction or percentage of members in a population that possess a particular attribute.

Confidence Level

The degree of certainty or probability with which one can expect a result to fall within a specified range.

Confidence Interval

A statistical interval estimate, used to indicate the reliability of an estimate.