5. Trigonometry
Trigonometry focuses on the relationships between the angles and sides of right-angled triangles. It discusses vital trigonometric ratios and identities and how they are applied to solve practical problems such as finding heights and distances. Key concepts include sine, cosine, tangent, as well as their reciprocal functions, which form the basis for various applications of trigonometry.
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What we have learnt
- Trigonometry involves the relationships between the angles and sides of right triangles.
- Key trigonometric ratios include sine, cosine, and tangent, along with their reciprocals.
- Fundamental identities in trigonometry help verify relationships between these ratios.
Key Concepts
- -- Trigonometric Ratios
- Ratios that relate the angles of a triangle to the lengths of its sides, calculating sine, cosine, and tangent.
- -- Trigonometric Identities
- Equations that hold for all values of the involved variables, useful for simplifying expressions and solving equations.
- -- Applications of Trigonometry
- Use of trigonometric principles to determine unknown heights, distances, angles of elevation, and depression.
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