09. Some Applications of Trigonometry


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Description:

Strengthen your understanding of Chapter 9: Some Applications of Trigonometry with this well-structured NCERT Solutions PDF, aligned with the latest CBSE Class 10 Mathematics syllabus (2025–26). It provides accurate, step-by-step answers to all textbook problems, helping students apply trigonometric ratios to solve real-life problems involving heights and distances.

Ideal for Class 10 CBSE students, teachers, and parents for revision, homework help, and concept reinforcement.

What’s Inside This PDF?

✅ Complete solutions to all NCERT in-text and end-of-chapter questions
 ✅ Step-by-step solutions for problems on heights and distances
 ✅ Clear explanations of angle of elevation and angle of depression
 ✅ Answers prepared as per CBSE’s latest marking scheme
 ✅ Based entirely on the official NCERT Class 10 Maths Chapter 9 textbook

Why Use This NCERT Solution?

✅ Clarity-Focused: Explains trigonometry applications with simple diagrams
 ✅ Exam-Ready Language: Answers framed to match CBSE’s board standards
 ✅ Time-Saving: Perfect for quick revisions and problem-solving practice
 ✅ CBSE 2025–26 Compliant: Fully updated and syllabus-accurate

 

Frequently Asked Questions (FAQs)

The angle formed by the line of sight with the horizontal when the object is above the horizontal level.

The angle formed by the line of sight with the horizontal when the object is below the horizontal level.

Tangent: tan θ = Perpendicular / Base.

Base = 20 m (since tan 45° = 1 ⇒ height = base).

Sine: sin θ = Perpendicular / Hypotenuse.

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