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Solutions for Chapter 4.7: Trigonometric Functions

Full solutions for Precalculus: Graphical, Numerical, Algebraic | 8th Edition

ISBN: 9780321656933

Solutions for Chapter 4.7: Trigonometric Functions

Solutions for Chapter 4.7
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ISBN: 9780321656933

Chapter 4.7: Trigonometric Functions includes 82 full step-by-step solutions. Since 82 problems in chapter 4.7: Trigonometric Functions have been answered, more than 45504 students have viewed full step-by-step solutions from this chapter. Precalculus: Graphical, Numerical, Algebraic was written by and is associated to the ISBN: 9780321656933. This expansive textbook survival guide covers the following chapters and their solutions. This textbook survival guide was created for the textbook: Precalculus: Graphical, Numerical, Algebraic, edition: 8th Edition.

Key Calculus Terms and definitions covered in this textbook

If u = v and w = z , then u + w = v + z

• Arc length formula

The length of an arc in a circle of radius r intercepted by a central angle of u radians is s = r u.

• artesian coordinate system

An association between the points in a plane and ordered pairs of real numbers; or an association between the points in three-dimensional space and ordered triples of real numbers

• Associative properties

a + (b + c) = (a + b) + c, a(bc) = (ab)c.

• Common difference

See Arithmetic sequence.

• Complex conjugates

Complex numbers a + bi and a - bi

• Compounded monthly

See Compounded k times per year.

• Ellipse

The set of all points in the plane such that the sum of the distances from a pair of fixed points (the foci) is a constant

• Equation

A statement of equality between two expressions.

• Event

A subset of a sample space.

• Leaf

The final digit of a number in a stemplot.

• Major axis

The line segment through the foci of an ellipse with endpoints on the ellipse

• Point-slope form (of a line)

y - y1 = m1x - x 12.

• Product of matrices A and B

The matrix in which each entry is obtained by multiplying the entries of a row of A by the corresponding entries of a column of B and then adding

• Quartile

The first quartile is the median of the lower half of a set of data, the second quartile is the median, and the third quartile is the median of the upper half of the data.

• Rectangular coordinate system

See Cartesian coordinate system.

• Riemann sum

A sum where the interval is divided into n subintervals of equal length and is in the ith subinterval.

• Standard form of a polynomial function

ƒ(x) = an x n + an-1x n-1 + Á + a1x + a0

• Stretch of factor c

A transformation of a graph obtained by multiplying all the x-coordinates (horizontal stretch) by the constant 1/c, or all of the y-coordinates (vertical stretch) of the points by a constant c, c, > 1.

• Vertex of an angle

See Angle.

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