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# Solutions for Chapter 4.4: Trigonometric Functions of Any Angle

## Full solutions for Precalculus | 7th Edition

ISBN: 9780618643448

Solutions for Chapter 4.4: Trigonometric Functions of Any Angle

Solutions for Chapter 4.4
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##### ISBN: 9780618643448

This textbook survival guide was created for the textbook: Precalculus, edition: 7. Since 106 problems in chapter 4.4: Trigonometric Functions of Any Angle have been answered, more than 40338 students have viewed full step-by-step solutions from this chapter. Precalculus was written by and is associated to the ISBN: 9780618643448. Chapter 4.4: Trigonometric Functions of Any Angle includes 106 full step-by-step solutions. This expansive textbook survival guide covers the following chapters and their solutions.

Key Calculus Terms and definitions covered in this textbook
• Anchor

See Mathematical induction.

• Angular speed

Speed of rotation, typically measured in radians or revolutions per unit time

• Compounded continuously

Interest compounded using the formula A = Pert

• Directed distance

See Polar coordinates.

• Eccentricity

A nonnegative number that specifies how off-center the focus of a conic is

• First quartile

See Quartile.

• Imaginary axis

See Complex plane.

• Infinite sequence

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

• Inverse cotangent function

The function y = cot-1 x

• Logarithmic form

An equation written with logarithms instead of exponents

• Matrix element

Any of the real numbers in a matrix

• Multiplicity

The multiplicity of a zero c of a polynomial ƒ(x) of degree n > 0 is the number of times the factor (x - c) (x - z 2) Á (x - z n)

• NDER ƒ(a)

See Numerical derivative of ƒ at x = a.

• Ordinary annuity

An annuity in which deposits are made at the same time interest is posted.

• Reflection

Two points that are symmetric with respect to a lineor a point.

• Remainder polynomial

See Division algorithm for polynomials.

• Scientific notation

A positive number written as c x 10m, where 1 ? c < 10 and m is an integer.

• Sinusoid

A function that can be written in the form f(x) = a sin (b (x - h)) + k or f(x) = a cos (b(x - h)) + k. The number a is the amplitude, and the number h is the phase shift.

• Statistic

A number that measures a quantitative variable for a sample from a population.

• Vertex of a parabola

The point of intersection of a parabola and its line of symmetry.

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