MATH 231

Trigonometry with Geometric Foundations


5.0 hours lecture per week.
Associate Degree Applicable.
Prerequisite: MATH 127 or equivalent with a grade of C or better.

Presents the entire content of MATH 229 Trigonometry with topics from geometry. Topics include trigonometric functions, equations, graphs, identities, and solution of triangles. Also includes geometric congruence, properties of polygons, parallel lines, similarity, areas, and volumes.
Transfer: CSU


Student Learning Outcomes

By the end of this course, the student will be able to:
 1. Prove geometric theorems using the following:
        ·    deductive reasoning
        ·    analytic techniques with rectangular coordinates
 2. Solve for the sides of a triangle using the following:
        ·    the Pythagorean Theorem
        ·    similar triangles
        ·    trigonometric ratios
 3. State or identify (from memory) the basic definitions and theorems for the following:
        ·    congruent triangles and similar triangles
        ·    quadrilaterals
        ·    parallel lines, transversals, and associated angles
        ·    circles, chords, secants, tangents
 4. Write (from memory) the following:
        ·    the eight fundamental identities
        ·    the double angle identities
        ·    the half-angle identities
        ·    the sum and difference of angles identities
 5. Prove trigonometric identities algebraically
 6. Sketch the graphs of trigonometric functions using the following:
        ·    amplitude
        ·    period
        ·    phase shift
        ·    vertical translation
        ·    reflection
 7. Apply inverse trigonometric functions (including their domains and
      ranges) in evaluating expressions
 8. Solve trigonometric equations
 9. Perform mathematical operations with vectors
 10. Solve applications involving the following:
        ·    congruent/similar triangles
        ·    right triangles
        ·    law of sines
        ·    law of cosines
        ·    vectors
        ·    arc length and sector area
 11. Find products, quotients, powers, and roots of complex numbers in both rectangular and trigonometric
      form