# HSC Board Class 12 Maths 1 Trigonometry | Sine ,Cosine and Projection Rule | by YD Sir

Описание: HSC Board Class 12 Maths 1 Trigonometry |Sine ,Cosine and Projection Rule | Board Booster by YD Sir **
Unlock the complete concept of Sine Rule ,Cosine Rule and Projection Rule in Trigonometric Equations for Class 12 Maths in the simplest and most scoring way!
This video covers:
✔ What is Principal Solution
✔ Principal values of sin, cos, tan
✔ How to find principal solutions quickly
✔ Board exam important questions
✔ Short tricks to avoid mistakes
Sine Rule ,Cosine Rule and Projection Rule in Trigonometric Equations for Class 12 Maths in the simplest and most scoring way!


Perfect for:
👉 Class 12 Students (CBSE, State Board, ICSE)
👉 JEE/NEET Foundation
👉 Students preparing for Prelims & Boards


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• Class 12 Maths full chapter explanations
• Exam-oriented short tricks
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