# Solutions for Chapter 8.1: THE ADDITION FORMULAS

## Full solutions for Precalculus: With Unit Circle Trigonometry (with Interactive Video Skillbuilder CD-ROM) (Available 2010 Titles Enhanced Web Assign) | 4th Edition

ISBN: 9780534402303

Solutions for Chapter 8.1: THE ADDITION FORMULAS

Solutions for Chapter 8.1
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##### ISBN: 9780534402303

This expansive textbook survival guide covers the following chapters and their solutions. This textbook survival guide was created for the textbook: Precalculus: With Unit Circle Trigonometry (with Interactive Video Skillbuilder CD-ROM) (Available 2010 Titles Enhanced Web Assign), edition: 4. Since 85 problems in chapter 8.1: THE ADDITION FORMULAS have been answered, more than 16446 students have viewed full step-by-step solutions from this chapter. Precalculus: With Unit Circle Trigonometry (with Interactive Video Skillbuilder CD-ROM) (Available 2010 Titles Enhanced Web Assign) was written by and is associated to the ISBN: 9780534402303. Chapter 8.1: THE ADDITION FORMULAS includes 85 full step-by-step solutions.

Key Calculus Terms and definitions covered in this textbook
• Average velocity

The change in position divided by the change in time.

• Bar chart

A rectangular graphical display of categorical data.

• Equation

A statement of equality between two expressions.

• Exponential growth function

Growth modeled by ƒ(x) = a ? b a > 0, b > 1 .

• First-degree equation in x , y, and z

An equation that can be written in the form.

• Five-number summary

The minimum, first quartile, median, third quartile, and maximum of a data set.

• Infinite sequence

A function whose domain is the set of all natural numbers.

• Inverse properties

a + 1-a2 = 0, a # 1a

• Inverse secant function

The function y = sec-1 x

• Inverse variation

See Power function.

• Logarithmic re-expression of data

Transformation of a data set involving the natural logarithm: exponential regression, natural logarithmic regression, power regression

• Logistic regression

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

• Natural logarithm

A logarithm with base e.

• Negative numbers

Real numbers shown to the left of the origin on a number line.

• nth root

See Principal nth root

• Partial fraction decomposition

See Partial fractions.

• Second quartile

See Quartile.

• Standard form of a polynomial function

ƒ(x) = an x n + an-1x n-1 + Á + a1x + a0

• Upper bound test for real zeros

A test for finding an upper bound for the real zeros of a polynomial.

• Xscl

The scale of the tick marks on the x-axis in a viewing window.

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