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# Solutions for Chapter 4-7: Trigonometric Function Properties, Identities, and Parametric Functions ## Full solutions for Precalculus with Trigonometry: Concepts and Applications | 1st Edition

ISBN: 9781559533911 Solutions for Chapter 4-7: Trigonometric Function Properties, Identities, and Parametric Functions

Solutions for Chapter 4-7
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##### ISBN: 9781559533911

Chapter 4-7: Trigonometric Function Properties, Identities, and Parametric Functions includes 30 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 with Trigonometry: Concepts and Applications, edition: 1. Precalculus with Trigonometry: Concepts and Applications was written by and is associated to the ISBN: 9781559533911. Since 30 problems in chapter 4-7: Trigonometric Function Properties, Identities, and Parametric Functions have been answered, more than 19593 students have viewed full step-by-step solutions from this chapter.

Key Calculus Terms and definitions covered in this textbook
• Amplitude

See Sinusoid.

• Constant

A letter or symbol that stands for a specific number,

• Continuous function

A function that is continuous on its entire domain

• Conversion factor

A ratio equal to 1, used for unit conversion

• Degree

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

• Domain of a function

The set of all input values for a function

• Double-angle identity

An identity involving a trigonometric function of 2u

• Focus, foci

See Ellipse, Hyperbola, Parabola.

• Inverse composition rule

The composition of a one-toone function with its inverse results in the identity function.

• Logarithmic re-expression of data

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

• Nautical mile

Length of 1 minute of arc along the Earth’s equator.

• Reciprocal of a real number

See Multiplicative inverse of a real number.

• Reflection through the origin

x, y and (-x,-y) are reflections of each other through the origin.

• Resolving a vector

Finding the horizontal and vertical components of a vector.

• Statistic

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

• Sum of a finite geometric series

Sn = a111 - r n 2 1 - r

• Sum of two vectors

<u1, u2> + <v1, v2> = <u1 + v1, u2 + v2> <u1 + v1, u2 + v2, u3 + v3>

• Unit circle

A circle with radius 1 centered at the origin.

• Vertex of a parabola

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

• z-coordinate

The directed distance from the xy-plane to a point in space, or the third number in an ordered triple.

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