Скачать или смотреть (sin^4theta - cos^4theta + 1) cosec^2theta = 2 | Class 10 Trigonometry Important question

Important Trigonometry Identity Question for Class 10 CBSE Maths Board Exam 2026 📘
In this YouTube Short, we prove a high-weightage trigonometric identity using simple algebra and basic trigonometric formulas.
(sin^4theta - cos^4theta + 1) cosec^2theta = 2 | Class 10 Trigonometry Important question

✅ Why this question is important:
• Frequently asked in Class 10 CBSE board exams
• Based on NCERT Trigonometry identities
• Useful for 1–2 mark proof questions
• Perfect for last-minute revision

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