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Solutions for Chapter 5.5: Multiple Angle and Product-to-Sum Formulas

Full solutions for Precalculus | 7th Edition

ISBN: 9780618643448

Solutions for Chapter 5.5: Multiple Angle and Product-to-Sum Formulas

Solutions for Chapter 5.5
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Textbook: Precalculus
Edition: 7
Author: Ron Larson, Robert P. Hostetler
ISBN: 9780618643448

This textbook survival guide was created for the textbook: Precalculus, edition: 7. Chapter 5.5: Multiple Angle and Product-to-Sum Formulas includes 139 full step-by-step solutions. Since 139 problems in chapter 5.5: Multiple Angle and Product-to-Sum Formulas have been answered, more than 32070 students have viewed full step-by-step solutions from this chapter. Precalculus was written by and is associated to the ISBN: 9780618643448. This expansive textbook survival guide covers the following chapters and their solutions.

Key Calculus Terms and definitions covered in this textbook
  • Cube root

    nth root, where n = 3 (see Principal nth root),

  • Explicitly defined sequence

    A sequence in which the kth term is given as a function of k.

  • Identity function

    The function ƒ(x) = x.

  • Inductive step

    See Mathematical induction.

  • Inverse cosecant function

    The function y = csc-1 x

  • Least-squares line

    See Linear regression line.

  • 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

  • Logistic regression

    A procedure for fitting a logistic curve to a set of data

  • Main diagonal

    The diagonal from the top left to the bottom right of a square matrix

  • Negative angle

    Angle generated by clockwise rotation.

  • Objective function

    See Linear programming problem.

  • Ordered set

    A set is ordered if it is possible to compare any two elements and say that one element is “less than” or “greater than” the other.

  • Ordinary annuity

    An annuity in which deposits are made at the same time interest is posted.

  • Polar coordinates

    The numbers (r, ?) that determine a point’s location in a polar coordinate system. The number r is the directed distance and ? is the directed angle

  • Quadratic equation in x

    An equation that can be written in the form ax 2 + bx + c = 01a ? 02

  • Real number

    Any number that can be written as a decimal.

  • Symmetric property of equality

    If a = b, then b = a

  • Vertices of an ellipse

    The points where the ellipse intersects its focal axis.

  • yz-plane

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

  • z-coordinate

    The directed distance from the xy-plane to a point in space, or the third number in an ordered triple.

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