 9.1.1: In Exercises 14, test the equation graphically to determine whethe...
 9.1.2: In Exercises 14, test the equation graphically to determine whethe...
 9.1.3: In Exercises 14, test the equation graphically to determine whethe...
 9.1.4: "In Exercises 14, test the equation graphically to determine wheth...
 9.1.5: In Exercises 58, insert one of af on the right of theequal sign so ...
 9.1.6: In Exercises 58, insert one of af on the right of theequal sign so ...
 9.1.7: In Exercises 58, insert one of af on the right of theequal sign so ...
 9.1.8: In Exercises 58, insert one of af on the right of theequal sign so ...
 9.1.9: In Exercises 918, prove the identity.
 9.1.10: In Exercises 918, prove the identity.
 9.1.11: In Exercises 918, prove the identity.
 9.1.12: In Exercises 918, prove the identity.
 9.1.13: In Exercises 918, prove the identity.
 9.1.14: In Exercises 918, prove the identity.
 9.1.15: In Exercises 918, prove the identity.
 9.1.16: In Exercises 918, prove the identity.
 9.1.17: In Exercises 918, prove the identity.
 9.1.18: In Exercises 918, prove the identity.
 9.1.19: In Exercises 1948, state whether or not the equationis an identity....
 9.1.20: In Exercises 1948, state whether or not the equationis an identity....
 9.1.21: In Exercises 1948, state whether or not the equationis an identity....
 9.1.22: In Exercises 1948, state whether or not the equationis an identity....
 9.1.23: In Exercises 1948, state whether or not the equationis an identity....
 9.1.24: In Exercises 1948, state whether or not the equationis an identity....
 9.1.25: In Exercises 1948, state whether or not the equationis an identity....
 9.1.26: In Exercises 1948, state whether or not the equationis an identity....
 9.1.27: In Exercises 1948, state whether or not the equationis an identity....
 9.1.28: In Exercises 1948, state whether or not the equationis an identity....
 9.1.29: In Exercises 1948, state whether or not the equationis an identity....
 9.1.30: In Exercises 1948, state whether or not the equationis an identity....
 9.1.31: In Exercises 1948, state whether or not the equationis an identity....
 9.1.32: In Exercises 1948, state whether or not the equationis an identity....
 9.1.33: In Exercises 1948, state whether or not the equationis an identity....
 9.1.34: In Exercises 1948, state whether or not the equationis an identity....
 9.1.35: In Exercises 1948, state whether or not the equationis an identity....
 9.1.36: In Exercises 1948, state whether or not the equationis an identity....
 9.1.37: In Exercises 1948, state whether or not the equationis an identity....
 9.1.38: In Exercises 1948, state whether or not the equationis an identity....
 9.1.39: In Exercises 1948, state whether or not the equationis an identity....
 9.1.40: In Exercises 1948, state whether or not the equationis an identity....
 9.1.41: In Exercises 1948, state whether or not the equationis an identity....
 9.1.42: In Exercises 1948, state whether or not the equationis an identity....
 9.1.43: In Exercises 1948, state whether or not the equationis an identity....
 9.1.44: In Exercises 1948, state whether or not the equationis an identity....
 9.1.45: In Exercises 1948, state whether or not the equationis an identity....
 9.1.46: In Exercises 1948, state whether or not the equationis an identity....
 9.1.47: In Exercises 1948, state whether or not the equationis an identity....
 9.1.48: In Exercises 1948, state whether or not the equationis an identity....
 9.1.49: In Exercises 4952, half of an identity is given. Graphthis half in ...
 9.1.50: In Exercises 4952, half of an identity is given. Graphthis half in ...
 9.1.51: In Exercises 4952, half of an identity is given. Graphthis half in ...
 9.1.52: In Exercises 4952, half of an identity is given. Graphthis half in ...
 9.1.53: In Exercises 5366, prove the identity.
 9.1.54: In Exercises 5366, prove the identity.
 9.1.55: In Exercises 5366, prove the identity.
 9.1.56: In Exercises 5366, prove the identity.
 9.1.57: In Exercises 5366, prove the identity.
 9.1.58: In Exercises 5366, prove the identity.
 9.1.59: In Exercises 5366, prove the identity.
 9.1.60: In Exercises 5366, prove the identity.
 9.1.61: In Exercises 5366, prove the identity.
 9.1.62: In Exercises 5366, prove the identity.
 9.1.63: In Exercises 5366, prove the identity.
 9.1.64: In Exercises 5366, prove the identity.
 9.1.65: In Exercises 5366, prove the identity.
 9.1.66: In Exercises 5366, prove the identity.
Solutions for Chapter 9.1: Identities and Proofs
Full solutions for Precalculus  1st Edition
ISBN: 9780030416477
Solutions for Chapter 9.1: Identities and Proofs
Get Full SolutionsThis textbook survival guide was created for the textbook: Precalculus, edition: 1. Chapter 9.1: Identities and Proofs includes 66 full stepbystep 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 stepbystep solutions from this chapter. Precalculus was written by and is associated to the ISBN: 9780030416477.

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

nset
A set of n objects.

Newton’s law of cooling
T1t2 = Tm + 1T0  Tm2ekt

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.

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