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Chapter 22 of 28
Concept Maps

Trigonometrical Ratios — Concept Maps

ICSE · Class 9 · Mathematics

A concept map of Trigonometrical Ratios for ICSE Class 9 Mathematics, also written out as a text outline. Maps: Trigonometry in right-angled triangles.

36 questions26 flashcards16 formulas & key relations5 concepts

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A right-angled triangle with one acute angle labeled as the angle of reference. The sides opposite to the acute angle, adjacent to the acute angle, and opposite to the right angle are clearly labeled
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One of 3 illustrations for Trigonometrical Ratios in Super Tutor — alongside flashcards, concept maps and practice questions.

1 Concept Map

Trigonometry in right-angled triangles

Trigonometry in right-angled triangles

The map in words

  • Trigonometry in right-angled triangles
    • Right-angled triangle
    • Angle of reference
    • Six trigonometric ratios
    • Reciprocal relations
    • Quotient relations
    • Pythagoras theorem
    • Worked examples
    • Identities and expressions

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Frequently Asked Questions

What are the important topics in Trigonometrical Ratios for ICSE Class 9 Mathematics?
Key topics in Trigonometrical Ratios include Basic Ideas in a Right Triangle, Six Trigonometrical Ratios, Worked Calculations and Standard Results, Geometry-Based Applications. Study these first, then practise questions on each for Class 9 exams.
What do the concept maps for Trigonometrical Ratios show?
The map shows how the ideas in Trigonometrical Ratios connect: Trigonometry in right-angled triangles. Each map is also written out as an outline on this page.
How should I revise Trigonometrical Ratios for Class 9 exams?
Learn the core ideas first, then work through the 36 practice questions on Trigonometrical Ratios. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

More resources for Trigonometrical Ratios

All ICSE Class 9 Mathematics Concept Maps

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