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# Solutions for Chapter 10.1: The Law of Cosines ## Full solutions for Precalculus | 1st Edition

ISBN: 9780030416477 Solutions for Chapter 10.1: The Law of Cosines

Solutions for Chapter 10.1
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##### ISBN: 9780030416477

Chapter 10.1: The Law of Cosines includes 40 full step-by-step solutions. Precalculus was written by and is associated to the ISBN: 9780030416477. This expansive textbook survival guide covers the following chapters and their solutions. This textbook survival guide was created for the textbook: Precalculus, edition: 1. Since 40 problems in chapter 10.1: The Law of Cosines have been answered, more than 17477 students have viewed full step-by-step solutions from this chapter.

Key Calculus Terms and definitions covered in this textbook
• Absolute value of a vector

See Magnitude of a vector.

• Annual percentage rate (APR)

The annual interest rate

• Binomial coefficients

The numbers in Pascal’s triangle: nCr = anrb = n!r!1n - r2!

• Bounded above

A function is bounded above if there is a number B such that ƒ(x) ? B for all x in the domain of ƒ.

• Constant

A letter or symbol that stands for a specific number,

• Focus, foci

See Ellipse, Hyperbola, Parabola.

• Inverse composition rule

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

• Inverse relation (of the relation R)

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

• Nonsingular matrix

A square matrix with nonzero determinant

• Odd function

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

• Period

See Periodic function.

• Polar axis

See Polar coordinate system.

• Positive angle

Angle generated by a counterclockwise rotation.

• Principle of mathematical induction

A principle related to mathematical induction.

• Range screen

See Viewing window.

• Reflection through the origin

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

• Rose curve

A graph of a polar equation or r = a cos nu.

• Unbounded interval

An interval that extends to -? or ? (or both).

• Vertical translation

A shift of a graph up or down.

• Xmin

The x-value of the left side of the viewing window,.

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