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Solutions for Chapter 6-7: Real-World Triangle Problems

Precalculus with Trigonometry: Concepts and Applications | 1st Edition | ISBN: 9781559533911 | Authors: Foerster

Full solutions for Precalculus with Trigonometry: Concepts and Applications | 1st Edition

ISBN: 9781559533911

Precalculus with Trigonometry: Concepts and Applications | 1st Edition | ISBN: 9781559533911 | Authors: Foerster

Solutions for Chapter 6-7: Real-World Triangle Problems

Solutions for Chapter 6-7
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Textbook: Precalculus with Trigonometry: Concepts and Applications
Edition: 1
Author: Foerster
ISBN: 9781559533911

Chapter 6-7: Real-World Triangle Problems includes 19 full step-by-step solutions. Precalculus with Trigonometry: Concepts and Applications was written by and is associated to the ISBN: 9781559533911. This textbook survival guide was created for the textbook: Precalculus with Trigonometry: Concepts and Applications, edition: 1. This expansive textbook survival guide covers the following chapters and their solutions. Since 19 problems in chapter 6-7: Real-World Triangle Problems have been answered, more than 21417 students have viewed full step-by-step solutions from this chapter.

Key Calculus Terms and definitions covered in this textbook
  • Annual percentage rate (APR)

    The annual interest rate

  • Categorical variable

    In statistics, a nonnumerical variable such as gender or hair color. Numerical variables like zip codes, in which the numbers have no quantitative significance, are also considered to be categorical.

  • Causation

    A relationship between two variables in which the values of the response variable are directly affected by the values of the explanatory variable

  • Combinations of n objects taken r at a time

    There are nCr = n! r!1n - r2! such combinations,

  • Compounded continuously

    Interest compounded using the formula A = Pert

  • Coordinate plane

    See Cartesian coordinate system.

  • Difference identity

    An identity involving a trigonometric function of u - v

  • Difference of complex numbers

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

  • Inverse cotangent function

    The function y = cot-1 x

  • Logistic growth function

    A model of population growth: ƒ1x2 = c 1 + a # bx or ƒ1x2 = c1 + ae-kx, where a, b, c, and k are positive with b < 1. c is the limit to growth

  • Measure of center

    A measure of the typical, middle, or average value for a data set

  • Measure of spread

    A measure that tells how widely distributed data are.

  • Midpoint (in a coordinate plane)

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

  • Midpoint (on a number line)

    For the line segment with endpoints a and b, a + b2

  • NINT (ƒ(x), x, a, b)

    A calculator approximation to ?ab ƒ(x)dx

  • Real axis

    See Complex plane.

  • Rigid transformation

    A transformation that leaves the basic shape of a graph unchanged.

  • Root of an equation

    A solution.

  • Row echelon form

    A matrix in which rows consisting of all 0’s occur only at the bottom of the matrix, the first nonzero entry in any row with nonzero entries is 1, and the leading 1’s move to the right as we move down the rows.

  • Vertices of an ellipse

    The points where the ellipse intersects its focal axis.

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