Simplify triangles with these basic trigonometry formulas. Learn SOH-CAH-TOA, Pythagorean identities, and reciprocal ratios for exams.
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The Power of Triangles
Trigonometry deals specifically with the relationships between side lengths and angles of triangles. It is essential for engineering and physics.
1. The Six Ratios (SOH-CAH-TOA)
For a right triangle with an angle :
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: Opposite / Hypotenuse
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: Adjacent / Hypotenuse
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: Opposite / Adjacent
2. Trigonometric Identities
These formulas help simplify complex calculus and physics problems:
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Pythagorean Identity:
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Tangent Identity:

