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1. |
Addition Formulas for Sines and Cosines
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Describes how the Sine and Cosine Addition Formulas can be derived by using vectors and how these formulas can be remembered relatively easily.
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2. |
An Introduction to Trigonometry
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Definitions, basics, functions, and other concepts necessary to understand basic trigonometry.
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3. |
Activities in Math: Trigonometry
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Three comprehensive modules from Syvum. Each includes theory and explanation, along with practice exercises.
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4. |
An Index of Trigonometry Help Pages
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Provides detailed discussion of trigonometry concepts. Includes examples of varying difficulty.
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5. |
Basic Trigonometry
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Cosine, sine and tangent are defined. The Pythagorean theorem is illustrated as well the number of degrees in a many sided figure.
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6. |
Dave's Short Trig course
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Covers basic definitions and concepts in beginning trigonometry.
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7. |
Four Branches of Trigonometry
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Includes information on the laws of sines and cosines, right triangle trigonometry, and the ambiguous case.
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8. |
Marlene's Trigonometry Calculator
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Learn the basics, the solutions, and how to convert from degrees to radians.
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9. |
S.O.S. Math - Trigonometry
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Covers measuring degrees, equations, and formulas. Includes illustrations and related links.
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10. |
Sine and Other Trigonometric Functions
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Interactive tests and exercises.
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11. |
Trigonometry
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Introduction to trigonometry. Includes links to trig-based animations and definitions.
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