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Learning Goal
Part of: Trigonometry — 2 of 10 skill_area items
Reciprocal trig functions (csc, sec, cot)
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What you'll learn
- Define the three reciprocal trigonometric functions and state their relationship to sin, cos, and tan
- Express csc, sec, and cot as ratios of right-triangle sides (hyp/opp, hyp/adj, adj/opp)
- Evaluate csc, sec, and cot for standard angles (30, 45, 60 degrees), rationalizing denominators as needed
- Simplify expressions and verify identities involving reciprocal trig functions
- Solve ACT-format multiple-choice problems involving reciprocal trig functions
Prerequisites
Slides
Interactive presentations perfect for visual learners • Interactive presentation
Slide Video
Watch narrated slides play like a video lesson • Narrated slide playback
Exercises
Practice problems to build fluency and understanding • 1 exercises