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What is Trigonometric Ratios for Grade 9 about?
The document introduces the six trigonometric ratios (sine, cosine, tangent, secant, cosecant, cotangent) and defines each ratio using a right triangle. Examples are provided to demonstrate calculating the trigonometric ratios of angles given the side lengths of right triangles. Mnemonic devices like SOH-CAH-TOA and CHO-SHA-CAO are introduced to help remember the definitions of the basic and reciprocal trigonometric ratios.
- Author
- Bernaliza Caser
- Language
- EN