MATH 115

University Of South Carolina

Here are the best resources to pass MATH 115. Find MATH 115 study guides, notes, assignments, and much more.

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Introduction to Trigonometry Workbook: Right Triangles, Unit Circle & Core Applications
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July 2026

2025/2026
Stop guessing your way through trig! This Active-Learning Edition workbook breaks down complex geometric relationships into clear, digestible principles with practice problems and an answer key. Core Chapters Covered: Basic Definitions & Concepts: Master SOH-CAH-TOA, finding side lengths, and finding trig values from points. The Unit Circle & Functions: Complete breakdown of the six core trigonometric functions (sin, cos, tan, csc, sec, cot) across key angle values in radians and degrees. Sym...
jairasettles
$10.69 More Info

Class notes

Trigonometric Identities & Formulas: Angle Sum/Difference & Simplification Guide
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5

July 2026

2025/2026
This specialized mathematics workbook targets the algebraic core of pre-calculus and early calculus prep: proving, modifying, and reducing complex trigonometric identities. Core Chapters Covered: Angle Sum and Difference Formulas: Ready-to-use formulas for Sine, Cosine, and Tangent expansions to calculate exact values without a calculator. Fundamental Trigonometric Identities: Complete tables for Reciprocal, Pythagorean (including alternate algebraic variants), and Cofunction identities. Trig...
jairasettles
$10.69 More Info