Trigonometry – Grade 9 ICSE

We provide theory, MCQs and assignments for each individual topic. Click on the topic to know more details.

Trigonometry – basic concepts
Key topics include:
• Trigonometric Ratios: sine, cosine, tangent of an angle and their reciprocals
• Trigonometric ratios of standard angles. Evaluation of an expression involving these ratios
• Simple 2-D problems involving one right-angled triangle
• Concept of sine and cosine being complementary with simple, direct application.
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