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Solutions for Chapter 9.1: Identities and Proofs

Precalculus | 1st Edition | ISBN: 9780030416477 | Authors: Threasa Z. Boyer, Teresa Henry, Chris Rankin, Manda Reid

Full solutions for Precalculus | 1st Edition

ISBN: 9780030416477

Precalculus | 1st Edition | ISBN: 9780030416477 | Authors: Threasa Z. Boyer, Teresa Henry, Chris Rankin, Manda Reid

Solutions for Chapter 9.1: Identities and Proofs

Solutions for Chapter 9.1
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Textbook: Precalculus
Edition: 1
Author: Threasa Z. Boyer, Teresa Henry, Chris Rankin, Manda Reid
ISBN: 9780030416477

This textbook survival guide was created for the textbook: Precalculus, edition: 1. Chapter 9.1: Identities and Proofs includes 66 full step-by-step solutions. This expansive textbook survival guide covers the following chapters and their solutions. Since 66 problems in chapter 9.1: Identities and Proofs have been answered, more than 26154 students have viewed full step-by-step solutions from this chapter. Precalculus was written by and is associated to the ISBN: 9780030416477.

Key Calculus Terms and definitions covered in this textbook
  • Algebraic model

    An equation that relates variable quantities associated with phenomena being studied

  • Boundary

    The set of points on the “edge” of a region

  • Conjugate axis of a hyperbola

    The line segment of length 2b that is perpendicular to the focal axis and has the center of the hyperbola as its midpoint

  • Divisor of a polynomial

    See Division algorithm for polynomials.

  • Finite series

    Sum of a finite number of terms.

  • Graph of an equation in x and y

    The set of all points in the coordinate plane corresponding to the pairs x, y that are solutions of the equation.

  • Logarithmic re-expression of data

    Transformation of a data set involving the natural logarithm: exponential regression, natural logarithmic regression, power regression

  • n-set

    A set of n objects.

  • Newton’s law of cooling

    T1t2 = Tm + 1T0 - Tm2e-kt

  • Normal distribution

    A distribution of data shaped like the normal curve.

  • Partial sums

    See Sequence of partial sums.

  • Pole

    See Polar coordinate system.

  • Probability distribution

    The collection of probabilities of outcomes in a sample space assigned by a probability function.

  • Product of complex numbers

    (a + bi)(c + di) = (ac - bd) + (ad + bc)i

  • Quadratic formula

    The formula x = -b 2b2 - 4ac2a used to solve ax 2 + bx + c = 0.

  • Reference angle

    See Reference triangle

  • Richter scale

    A logarithmic scale used in measuring the intensity of an earthquake.

  • Tangent

    The function y = tan x

  • Terminal point

    See Arrow.

  • yz-plane

    The points (0, y, z) in Cartesian space.

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