Class 10 Optional Math Trigonometry || Multiple Angles || Exam questions Grade 10 Trigonometry

Class 10 Optional Math Trigonometry || Multiple Angles || Exam Questions Grade 10 Trigonometry

Very short type question
Express cos⁡2θ in terms of sin⁡θ
Short type question
If sin⁡θ=5/13, then find the value of tan⁡2θ
Long type question
Prove that: 〖cos〗^3⁡〖θ+〖sin〗^3⁡θ 〗/cos⁡〖θ+sin⁡θ 〗 =1−1/2 sin⁡2θ

📌 About this video:
In this video, we cover important exam-style questions from the chapter Trigonometry – Multiple Angles as per the Class 10 Optional Mathematics syllabus (NEB). Learn how to solve problems involving double and triple angle identities, and get tips to handle similar questions in your board exams.

🔍 Topics Covered:
✅ Trigonometric identities for sin(2θ), cos(2θ), tan(2θ)
✅ Problems based on multiple-angle formulas
✅ Simplification and substitution techniques
✅ Step-by-step solutions as per the board pattern
✅ Tips for scoring full marks in the exam

🎯 Best For:
✔️ Grade 10 Optional Math students (NEB)
✔️ SEE Exam preparation
✔️ Students aiming to build a strong concept in trigonometry

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