MAT 155Trigonometry

Elizabethtown Community and Technical College · 3.00 credits · UGRD

Catalog

Includes the trigonometric functions, identities, multiple analytic formulas, laws of sines and cosines, graphs of trigonometric functions in rectangular and polar coordinates, and solving trigonometric equations. Emphasizes applications in each topic. (Students may not receive credit for both MAT155 and any other trigonometry or pre-calculus course.) Lecture: 3 credits (45 contact hours).

Recent sections

Fall 2026 · 2 sections

Section	Days & time	Location	Instructor
2501Class #81836	Mo We · 12:30 – 3:15 PM2026-08-17 - 2026-10-11	ECTC ATB Building, Room 250 250	Charles Coulston
2501 notes: Instructional method: IP; BP
25Z1