Unit 5 Summary
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Right triangles: one angle = 90°
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Pythagorean Theorem: a^2 + b^2 = c^2
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Special right triangles: 45°–45°–90° and 30°–60°–90°
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Trigonometric ratios: sin, cos, tan
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Solving triangles: find unknown sides or angles
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Complementary angles: sin θ = cos(90° − θ)
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Modeling: real-world applications using trigonometry