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Solutions for Chapter 4.2: Trigonometric Functions: The Unit Circle

Full solutions for Precalculus with Limits | 3rd Edition

ISBN: 9781133947202

Solutions for Chapter 4.2: Trigonometric Functions: The Unit Circle

Solutions for Chapter 4.2
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ISBN: 9781133947202

Chapter 4.2: Trigonometric Functions: The Unit Circle includes 62 full step-by-step solutions. Precalculus with Limits was written by and is associated to the ISBN: 9781133947202. This expansive textbook survival guide covers the following chapters and their solutions. Since 62 problems in chapter 4.2: Trigonometric Functions: The Unit Circle have been answered, more than 35805 students have viewed full step-by-step solutions from this chapter. This textbook survival guide was created for the textbook: Precalculus with Limits, edition: 3.

Key Calculus Terms and definitions covered in this textbook

If u = v and w = z , then u + w = v + z

• Anchor

See Mathematical induction.

• Angular speed

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

• Binomial

A polynomial with exactly two terms

• Complex plane

A coordinate plane used to represent the complex numbers. The x-axis of the complex plane is called the real axis and the y-axis is the imaginary axis

• Constraints

See Linear programming problem.

• Deductive reasoning

The process of utilizing general information to prove a specific hypothesis

• Degree

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

• Empty set

A set with no elements

• Equivalent arrows

Arrows that have the same magnitude and direction.

• Equivalent equations (inequalities)

Equations (inequalities) that have the same solutions.

• Graph of a polar equation

The set of all points in the polar coordinate system corresponding to the ordered pairs (r,?) that are solutions of the polar equation.

• Intermediate Value Theorem

If ƒ is a polynomial function and a < b , then ƒ assumes every value between ƒ(a) and ƒ(b).

• Multiplication principle of counting

A principle used to find the number of ways an event can occur.

• Positive linear correlation

See Linear correlation.

A procedure for fitting a quadratic function to a set of data.

• Reflection through the origin

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

• Solve graphically

Use a graphical method, including use of a hand sketch or use of a grapher. When appropriate, the approximate solution should be confirmed algebraically

• Symmetric property of equality

If a = b, then b = a

• 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>.

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