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Solutions for Chapter 4: Trigonometry

Full solutions for Precalculus | 7th Edition

ISBN: 9780618643448

Solutions for Chapter 4: Trigonometry

Solutions for Chapter 4
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Textbook: Precalculus
Edition: 7
Author: Ron Larson, Robert P. Hostetler
ISBN: 9780618643448

Chapter 4: Trigonometry includes 184 full step-by-step solutions. Since 184 problems in chapter 4: Trigonometry have been answered, more than 37496 students have viewed full step-by-step solutions from this chapter. This expansive textbook survival guide covers the following chapters and their solutions. This textbook survival guide was created for the textbook: Precalculus, edition: 7. Precalculus was written by and is associated to the ISBN: 9780618643448.

Key Calculus Terms and definitions covered in this textbook
  • Basic logistic function

    The function ƒ(x) = 1 / 1 + e-x

  • Control

    The principle of experimental design that makes it possible to rule out other factors when making inferences about a particular explanatory variable

  • Descriptive statistics

    The gathering and processing of numerical information

  • Directrix of a parabola, ellipse, or hyperbola

    A line used to determine the conic

  • Factored form

    The left side of u(v + w) = uv + uw.

  • Infinite sequence

    A function whose domain is the set of all natural numbers.

  • Integers

    The numbers . . ., -3, -2, -1, 0,1,2,...2

  • Limit at infinity

    limx: qƒ1x2 = L means that ƒ1x2 gets arbitrarily close to L as x gets arbitrarily large; lim x:- q ƒ1x2 means that gets arbitrarily close to L as gets arbitrarily large

  • Linear equation in x

    An equation that can be written in the form ax + b = 0, where a and b are real numbers and a Z 0

  • Midpoint (in a coordinate plane)

    For the line segment with endpoints (a,b) and (c,d), (aa + c2 ,b + d2)

  • Multiplication principle of counting

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

  • n-set

    A set of n objects.

  • Pythagorean

    Theorem In a right triangle with sides a and b and hypotenuse c, c2 = a2 + b2

  • Quadric surface

    The graph in three dimensions of a seconddegree equation in three variables.

  • Random behavior

    Behavior that is determined only by the laws of probability.

  • Real number

    Any number that can be written as a decimal.

  • Relation

    A set of ordered pairs of real numbers.

  • Resistant measure

    A statistical measure that does not change much in response to outliers.

  • Unit vector in the direction of a vector

    A unit vector that has the same direction as the given vector.

  • Vertices of an ellipse

    The points where the ellipse intersects its focal axis.

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