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# Solutions for Chapter 5: Trigonometric Functions: Unit Circle Approach ## Full solutions for Precalculus: Mathematics for Calculus (Standalone Book) | 7th Edition

ISBN: 9781305071759 Solutions for Chapter 5: Trigonometric Functions: Unit Circle Approach

Solutions for Chapter 5
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##### ISBN: 9781305071759

Since 90 problems in chapter 5: Trigonometric Functions: Unit Circle Approach have been answered, more than 5167 students have viewed full step-by-step solutions from this chapter. Chapter 5: Trigonometric Functions: Unit Circle Approach includes 90 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.

Key Calculus Terms and definitions covered in this textbook
• Angle of depression

The acute angle formed by the line of sight (downward) and the horizontal

• Arccosine function

See Inverse cosine function.

• Bounded interval

An interval that has finite length (does not extend to ? or -?)

• Branches

The two separate curves that make up a hyperbola

• Constant function (on an interval)

ƒ(x 1) = ƒ(x 2) x for any x1 and x2 (in the interval)

• Dihedral angle

An angle formed by two intersecting planes,

• Equally likely outcomes

Outcomes of an experiment that have the same probability of occurring.

• equation of a quadratic function

ƒ(x) = ax 2 + bx + c(a ? 0)

• Fundamental

Theorem of Algebra A polynomial function of degree has n complex zeros (counting multiplicity).

• Horizontal component

See Component form of a vector.

• Inverse relation (of the relation R)

A relation that consists of all ordered pairs b, a for which a, b belongs to R.

• kth term of a sequence

The kth expression in the sequence

• Odd function

A function whose graph is symmetric about the origin (ƒ(-x) = -ƒ(x) for all x in the domain of f).

• Polynomial function

A function in which ƒ(x)is a polynomial in x, p. 158.

• Product rule of logarithms

ogb 1RS2 = logb R + logb S, R > 0, S > 0,

• Reflection across the y-axis

x, y and (-x,y) are reflections of each other across the y-axis.

• Regression model

An equation found by regression and which can be used to predict unknown values.

• Right-hand limit of ƒ at x a

The limit of ƒ as x approaches a from the right.

• Vector equation for a line in space

The line through P0(x 0, y0, z0) in the direction of the nonzero vector V = <a, b, c> has vector equation r = r0 + tv , where r = <x,y,z>.

• Vertical translation

A shift of a graph up or down.

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