Handwritten math notes on the basics of trigonometric functions in right triangles. Includes definitions and formulas for sine, cosine, tangent, secant, cosecant, and cotangent, with clear explanations in both symbols and words. Shows how to find the values of trig functions for special angles (30°, 45°, 60°), and provides the relationships between triangle sides (opposite, adjacent, hypotenuse). Perfect for students learning trigonometry, visual learners, and anyone preparing for exams!
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