Write the Function in Terms of Its Cofunction

question 47

Multiple Choice

Write the function in terms of its cofunction. Assume that any angle in which an unknown appears is an acute angle.
-cos 31.2°

• A)cos 148.8°
• B)sin 58.8°
• C)sec 148.8°
• D)sin 31.2°

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Definitions:

Nonmonotonic

A description of relationships where the direction of change is not consistent across the range of variables.

Curvilinear Relationship

A relationship between two variables in which the change in one variable does not result in a linear change in the other variable.

Operationally Defining

The process of defining a concept or variable in terms of the specific procedures or measures used to produce or manipulate it.

Curvilinear Relationship

A type of relationship between two variables where the change in one variable does not result in a linear change in another, often depicted as a curved graph.