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# Solutions for Chapter 9-3: TRIGONOMETRIC MODELS ## Full solutions for Functions Modeling Change: A Preparation for Calculus | 4th Edition

ISBN: 9780470484753 Solutions for Chapter 9-3: TRIGONOMETRIC MODELS

Solutions for Chapter 9-3
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##### ISBN: 9780470484753

This textbook survival guide was created for the textbook: Functions Modeling Change: A Preparation for Calculus , edition: 4. This expansive textbook survival guide covers the following chapters and their solutions. Functions Modeling Change: A Preparation for Calculus was written by and is associated to the ISBN: 9780470484753. Chapter 9-3: TRIGONOMETRIC MODELS includes 12 full step-by-step solutions. Since 12 problems in chapter 9-3: TRIGONOMETRIC MODELS have been answered, more than 25231 students have viewed full step-by-step solutions from this chapter.

Key Calculus Terms and definitions covered in this textbook
• Absolute value of a vector

See Magnitude of a vector.

• Average velocity

The change in position divided by the change in time.

• Census

An observational study that gathers data from an entire population

• Characteristic polynomial of a square matrix A

det(xIn - A), where A is an n x n matrix

• Conditional probability

The probability of an event A given that an event B has already occurred

• Direction vector for a line

A vector in the direction of a line in three-dimensional space

• Divisor of a polynomial

See Division algorithm for polynomials.

• Focal axis

The line through the focus and perpendicular to the directrix of a conic.

• Graph of a relation

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

• Identity

An equation that is always true throughout its domain.

• Index of summation

See Summation notation.

• Limaçon

A graph of a polar equation r = a b sin u or r = a b cos u with a > 0 b > 0

• Modified boxplot

A boxplot with the outliers removed.

• NINT (ƒ(x), x, a, b)

A calculator approximation to ?ab ƒ(x)dx

• Nonsingular matrix

A square matrix with nonzero determinant

• Quotient polynomial

See Division algorithm for polynomials.

• Row operations

See Elementary row operations.

• RRAM

A Riemann sum approximation of the area under a curve ƒ(x) from x = a to x = b using x1 as the right-hand end point of each subinterval.

• Sine

The function y = sin x.

• Singular matrix

A square matrix with zero determinant

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