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# Solutions for Chapter 7: Analytic Trigonometry ## Full solutions for Precalculus: Mathematics for Calculus (Standalone Book) | 7th Edition

ISBN: 9781305071759 Solutions for Chapter 7: Analytic Trigonometry

Solutions for Chapter 7
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##### ISBN: 9781305071759

This expansive textbook survival guide covers the following chapters and their solutions. Since 118 problems in chapter 7: Analytic Trigonometry have been answered, more than 5411 students have viewed full step-by-step solutions from this chapter. Chapter 7: Analytic Trigonometry includes 118 full step-by-step solutions. Precalculus: Mathematics for Calculus (Standalone Book) was written by and is associated to the ISBN: 9781305071759. This textbook survival guide was created for the textbook: Precalculus: Mathematics for Calculus (Standalone Book), edition: 7.

Key Calculus Terms and definitions covered in this textbook
• Differentiable at x = a

ƒ'(a) exists

• Elements of a matrix

See Matrix element.

• Ellipse

The set of all points in the plane such that the sum of the distances from a pair of fixed points (the foci) is a constant

• Event

A subset of a sample space.

• First quartile

See Quartile.

• Future value of an annuity

The net amount of money returned from an annuity.

• Inverse sine function

The function y = sin-1 x

• Line of symmetry

A line over which a graph is the mirror image of itself

• Magnitude of a vector

The magnitude of <a, b> is 2a2 + b2. The magnitude of <a, b, c> is 2a2 + b2 + c2

• Main diagonal

The diagonal from the top left to the bottom right of a square matrix

• Matrix, m x n

A rectangular array of m rows and n columns of real numbers

• Product of matrices A and B

The matrix in which each entry is obtained by multiplying the entries of a row of A by the corresponding entries of a column of B and then adding

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

• Residual

The difference y1 - (ax 1 + b), where (x1, y1)is a point in a scatter plot and y = ax + b is a line that fits the set of data.

• Root of a number

See Principal nth root.

• Sine

The function y = sin x.

• Slant asymptote

An end behavior asymptote that is a slant line

• Standard form of a complex number

a + bi, where a and b are real numbers

• Standard representation of a vector

A representative arrow with its initial point at the origin

• yz-plane

The points (0, y, z) in Cartesian space.

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