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# Solutions for Chapter 5.1: Verifying Trigonometric Identities

## Full solutions for Precalculus | 4th Edition

ISBN: 9780321559845

Solutions for Chapter 5.1: Verifying Trigonometric Identities

Solutions for Chapter 5.1
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##### ISBN: 9780321559845

This expansive textbook survival guide covers the following chapters and their solutions. Precalculus was written by and is associated to the ISBN: 9780321559845. Since 100 problems in chapter 5.1: Verifying Trigonometric Identities have been answered, more than 76945 students have viewed full step-by-step solutions from this chapter. This textbook survival guide was created for the textbook: Precalculus, edition: 4. Chapter 5.1: Verifying Trigonometric Identities includes 100 full step-by-step solutions.

Key Calculus Terms and definitions covered in this textbook
• Acute angle

An angle whose measure is between 0° and 90°

• Combination

An arrangement of elements of a set, in which order is not important

• Conic section (or conic)

A curve obtained by intersecting a double-napped right circular cone with a plane

• Cube root

nth root, where n = 3 (see Principal nth root),

• Difference of complex numbers

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

• Eccentricity

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

• Equal matrices

Matrices that have the same order and equal corresponding elements.

• Interval

Connected subset of the real number line with at least two points, p. 4.

• Natural numbers

The numbers 1, 2, 3, . . . ,.

• Outcomes

The various possible results of an experiment.

• Parallel lines

Two lines that are both vertical or have equal slopes.

• Perpendicular lines

Two lines that are at right angles to each other

• Positive linear correlation

See Linear correlation.

• Re-expression of data

A transformation of a data set.

• RRAM

A Riemann sum approximation of the area under a curve ƒ(x) from x = a to x = b using x1 as the right-hand end point of each subinterval.

• Sample space

Set of all possible outcomes of an experiment.

• Slant line

A line that is neither horizontal nor vertical

• Sum of a finite geometric series

Sn = a111 - r n 2 1 - r

• Third quartile

See Quartile.