Correlation Between the California Content Standards and the eTAP Lessons

Trigonometry

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Pre-Test California Content Standards eTAP Lessons
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Post-Test
Q&A 1.0 Students understand the notion of angle and how to measure it, in both degrees and radians. They can convert between degrees and radians. Measuring Angles  Math Factor: Development of Circular Functions

Math Factor: Radian Measurement

Q&A
Q&A 2.0 Students know the definition of sine and cosine as y-and x-coordinates of points on the unit circle and are familiar with the graphs of the sine and cosine functions. Definitions
Graphing Sine and Cosine Functions
 Project Mathematics: Sines and Cosines, Part I (Periodic Functions) Q&A
3.0 Students know the identity cos2 (x) + sin2 (x) = 1:
Q&A 3.1 Students prove that this identity is equivalent to the Pythagorean theorem (i.e., students can prove this identity by using the Pythagorean theorem and, conversely, they can prove the Pythagorean theorem as a consequence of this identity). Identities  Math Factor: Derivation and Use of Trigonometric Identities Q&A
Q&A 3.2 Students prove other trigonometric identities and simplify others by using the identity cos2 (x) + sin2 (x) = 1. For example, students use this identity to prove that
sec2 (x) = tan2 (x) + 1.
 Math Factor: Solving Complex Equations

Math Factor: Sum and Difference Identities

Q&A
Q&A 4.0 Students graph functions of the form f(t) = A sin (Bt + C) or f(t) = A cos (Bt + C) and interpret A, B, and C in terms of amplitude, frequency, period, and phase shift.   Math Factor: Investigating the Properties of a b c and d Q&A
Q&A 5.0 Students know the definitions of the tangent and cotangent functions and can graph them. Tangent and Cotangent
Functions
 Twisted World of Trigonometry, The, Program 2: Trigonometry Functions Q&A
Q&A 6.0 Students know the definitions of the secant and cosecant functions and can graph them. Reciprocal Functions  Twisted World of Trigonometry, The, Program 2: Trigonometry Functions Q&A
Q&A 7.0 Students know that the tangent of the angle that a line makes with the x-axis is equal to the slope of the line. Tangent as the Slope of a Line  Math Factor: Graphing Trigonometric Functions Q&A
Q&A 8.0 Students know the definitions of the inverse trigonometric functions and can graph the functions. Inverse of Sine and Cosine Functions  Math Factor: Graphing Trigonometric Function Q&A
Q&A 9.0 Students compute, by hand, the values of the trigonometric functions and the inverse trigonometric functions at various standard points. Trigonometric Values
of Common Angles
 The Twisted World of Trigonometry, Program 4: Graphing Functions Q&A
Q&A 10.0 Students demonstrate an understanding of the addition formulas for sines and cosines and their proofs and can use those formulas to prove and/ or simplify other trigonometric identities. Addition Formulas  Project Mathematics: Sines and Cosines, Part III (Addition Formulas)

Project Mathematics: Sines and Cosines, Part II (Trigonometry)
Q&A
Q&A 11.0 Students demonstrate an understanding of half-angle and double-angle formulas for sines and cosines and can use those formulas to prove and/ or simplify other trigonometric identities. Half-Angle and Double-Angle Formulas  The Twisted World of Trigonometry, Program 6: Angle Formulas Q&A
Q&A 12.0 Students use trigonometry to determine unknown sides or angles in right triangles. Other Functions  Project Mathematics: Sines and Cosines, Part I (Periodic Functions)

Project Mathematics: Sines and Cosines, Part II (Trigonometry)
Q&A
Q&A 13.0 Students know the law of sines and the law of cosines and apply those laws to solve problems. The Law of Sines
The Law of Cosines
 The Twisted World of Trigonometry, Program 3: Triangles Q&A
Q&A 14.0 Students determine the area of a triangle, given one angle and the two adjacent sides. Areas of Triangles  The Many-Sided World of Geometry, Program 6: Figuring Out Area Q&A
Q&A 15.0 Students are familiar with polar coordinates. In particular, they can determine polar coordinates of a point given in rectangular coordinates and vice versa. Polar Coordinates  Discovering Math: Concepts in Geometry and Measurement: Coordinate Geometry Q&A
Q&A 16.0 Students represent equations given in rectangular coordinates in terms of polar coordinates. Graphing Equations   Math Factor: Solving Complex Degree Equations Q&A
Q&A 17.0 Students are familiar with complex numbers. They can represent a complex number in polar form and know how to multiply complex numbers in their polar form. Complex Numbers  Discovering Math: Concepts in Number Theory Q&A
Q&A 18.0 Students know DeMoivre's theorem and can give nth roots of a complex number given in polar form. De Moivre’s Theorem   Q&A
Q&A 19.0 Students are adept at using trigonometry in a variety of applications and word problems. Finding Unknown Sides and Angles  Discovering Math: Concepts in Precalculus I: Trigonometry Q&A