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# Solutions for Chapter 4.8: Applications of Trigonometric Functions ## Full solutions for Precalculus | 4th Edition

ISBN: 9780321559845 Solutions for Chapter 4.8: Applications of Trigonometric Functions

Solutions for Chapter 4.8
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##### ISBN: 9780321559845

Since 81 problems in chapter 4.8: Applications of Trigonometric Functions have been answered, more than 70504 students have viewed full step-by-step solutions from this chapter. This textbook survival guide was created for the textbook: Precalculus, edition: 4. Precalculus was written by and is associated to the ISBN: 9780321559845. This expansive textbook survival guide covers the following chapters and their solutions. Chapter 4.8: Applications of Trigonometric Functions includes 81 full step-by-step solutions.

Key Calculus Terms and definitions covered in this textbook
• Coefficient of determination

The number r2 or R2 that measures how well a regression curve fits the data

• Direction of an arrow

The angle the arrow makes with the positive x-axis

• Feasible points

Points that satisfy the constraints in a linear programming problem.

• First octant

The points (x, y, z) in space with x > 0 y > 0, and z > 0.

• Graph of a relation

The set of all points in the coordinate plane corresponding to the ordered pairs of the relation.

• Independent variable

Variable representing the domain value of a function (usually x).

• Integrable over [a, b] Lba

ƒ1x2 dx exists.

• Jump discontinuity at x a

limx:a - ƒ1x2 and limx:a + ƒ1x2 exist but are not equal

• Logistic regression

A procedure for fitting a logistic curve to a set of data

• Mapping

A function viewed as a mapping of the elements of the domain onto the elements of the range

• Median (of a data set)

The middle number (or the mean of the two middle numbers) if the data are listed in order.

• Minor axis

The perpendicular bisector of the major axis of an ellipse with endpoints on the ellipse.

• Normal curve

The graph of ƒ(x) = e-x2/2

• Order of an m x n matrix

The order of an m x n matrix is m x n.

An equation that can be written in the form ax 2 + bx + c = 01a ? 02

• Reciprocal function

The function ƒ(x) = 1x

• Slant line

A line that is neither horizontal nor vertical

A graph in which (-x, y) is on the graph whenever (x, y) is; or a graph in which (-r, -?) or (r, ?, -?) is on the graph whenever (r, ?) is

• Vertical asymptote

The line x = a is a vertical asymptote of the graph of the function ƒ if limx:a+ ƒ1x2 = q or lim x:a- ƒ1x2 = q.

• Weighted mean

A mean calculated in such a way that some elements of the data set have higher weights (that is, are counted more strongly in determining the mean) than others.

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