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# Solutions for Chapter 6: Additional Topics in Trigonometry

## Full solutions for Precalculus | 7th Edition

ISBN: 9780618643448

Solutions for Chapter 6: Additional Topics in Trigonometry

Solutions for Chapter 6
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##### ISBN: 9780618643448

This textbook survival guide was created for the textbook: Precalculus, edition: 7. Chapter 6: Additional Topics in Trigonometry includes 134 full step-by-step solutions. Precalculus was written by and is associated to the ISBN: 9780618643448. This expansive textbook survival guide covers the following chapters and their solutions. Since 134 problems in chapter 6: Additional Topics in Trigonometry have been answered, more than 17728 students have viewed full step-by-step solutions from this chapter.

Key Calculus Terms and definitions covered in this textbook
• artesian coordinate system

An association between the points in a plane and ordered pairs of real numbers; or an association between the points in three-dimensional space and ordered triples of real numbers

• Characteristic polynomial of a square matrix A

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

• Degree

Unit of measurement (represented by the symbol ) for angles or arcs, equal to 1/360 of a complete revolution

• Distance (on a number line)

The distance between real numbers a and b, or |a - b|

• Equal matrices

Matrices that have the same order and equal corresponding elements.

• Equilibrium price

See Equilibrium point.

• Equivalent arrows

Arrows that have the same magnitude and direction.

• Linear correlation

A scatter plot with points clustered along a line. Correlation is positive if the slope is positive and negative if the slope is negative

• Logarithmic regression

See Natural logarithmic regression

• Modified boxplot

A boxplot with the outliers removed.

• Multiplication principle of counting

A principle used to find the number of ways an event can occur.

• Objective function

See Linear programming problem.

• Period

See Periodic function.

• Periodic function

A function ƒ for which there is a positive number c such that for every value t in the domain of ƒ. The smallest such number c is the period of the function.

A procedure for fitting a quadratic function to a set of data.

• Range (in statistics)

The difference between the greatest and least values in a data set.

• Reference triangle

For an angle ? in standard position, a reference triangle is a triangle formed by the terminal side of angle ?, the x-axis, and a perpendicular dropped from a point on the terminal side to the x-axis. The angle in a reference triangle at the origin is the reference angle

• Resolving a vector

Finding the horizontal and vertical components of a vector.

• Transpose of a matrix

The matrix AT obtained by interchanging the rows and columns of A.

• Vertex of an angle

See Angle.

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