Trigonometry (त्रिकोणमिति) | Lesson 8 Maths | Important Formula Sheet | Bihar Board 2026

Class 10 Bihar Board Maths Lesson 8 – Trigonometry (त्रिकोणमिति) ke
ALL MOST IMPORTANT FORMULAS is video me easy aur clear way me explain kiye gaye hain.
👉 Ye video quick revision aur last moment preparation ke liye best hai.

📌 Is Video Me Kya-Kya Cover Hoga:

✅ Trigonometric Ratios

sinθ, cosθ, tanθ

cosecθ, secθ, cotθ

✅ Standard Angles Table
0°, 30°, 45°, 60°, 90°

✅ Reciprocal Identities

sinθ = 1/cosecθ

cosθ = 1/secθ

tanθ = 1/cotθ

✅ Important formula yaad karne ke easy tricks
✅ Formula based MCQs & exam points
✅ Bihar Board exam me direct aane wale formulas

🎯 Exam se pehle sirf is video ko yaad kar lijiye – Trigonometry strong ho jayegi 💯

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