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# Solutions for Chapter 8: Polar Coordinates 8 and Parametric Equations ## Full solutions for Precalculus: Mathematics for Calculus (Standalone Book) | 7th Edition

ISBN: 9781305071759 Solutions for Chapter 8: Polar Coordinates 8 and Parametric Equations

Solutions for Chapter 8
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##### ISBN: 9781305071759

Chapter 8: Polar Coordinates 8 and Parametric Equations includes 100 full step-by-step solutions. This expansive textbook survival guide covers the following chapters and their solutions. This textbook survival guide was created for the textbook: Precalculus: Mathematics for Calculus (Standalone Book), edition: 7. Precalculus: Mathematics for Calculus (Standalone Book) was written by and is associated to the ISBN: 9781305071759. Since 100 problems in chapter 8: Polar Coordinates 8 and Parametric Equations have been answered, more than 15151 students have viewed full step-by-step solutions from this chapter.

Key Calculus Terms and definitions covered in this textbook
• Coordinate(s) of a point

The number associated with a point on a number line, or the ordered pair associated with a point in the Cartesian coordinate plane, or the ordered triple associated with a point in the Cartesian three-dimensional space

• Coterminal angles

Two angles having the same initial side and the same terminal side

• Difference of complex numbers

(a + bi) - (c + di) = (a - c) + (b - d)i

• Direct variation

See Power function.

• Fibonacci sequence

The sequence 1, 1, 2, 3, 5, 8, 13, . . ..

• Geometric series

A series whose terms form a geometric sequence.

• Horizontal component

See Component form of a vector.

• Line of travel

The path along which an object travels

• Linear regression line

The line for which the sum of the squares of the residuals is the smallest possible

• Magnitude of an arrow

The magnitude of PQ is the distance between P and Q

• Negative association

A relationship between two variables in which higher values of one variable are generally associated with lower values of the other variable.

• NINT (ƒ(x), x, a, b)

A calculator approximation to ?ab ƒ(x)dx

A function that can be written in the form ƒ(x) = ax 2 + bx + c, where a, b, and c are real numbers, and a ? 0.

• Rectangular coordinate system

See Cartesian coordinate system.

• 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

• Standard form of a complex number

a + bi, where a and b are real numbers

• Summation notation

The series a nk=1ak, where n is a natural number ( or ?) is in summation notation and is read "the sum of ak from k = 1 to n(or infinity).” k is the index of summation, and ak is the kth term of the series

• Trigonometric form of a complex number

r(cos ? + i sin ?)

• Velocity

A vector that specifies the motion of an object in terms of its speed and direction.

• Window dimensions

The restrictions on x and y that specify a viewing window. See Viewing window.