If a sec θ + b tan θ = m and b sec θ + a tan θ = n | Prove Identity | Class 10 Maths PYQ #25

📘 Class 10 Maths | CBSE Board 2025 PYQ #25 | Trigonometry In this video, we solve a Class 10 CBSE Maths Trigonometry previous year question with a step-by-step explanation. 📝 Question: If a sec θ + b tan θ = m and b sec θ + a tan θ = n, prove that: a² + n² = b² + m² 📚 Topics Covered: ✅ Trigonometric Identities ✅ sec² θ − tan² θ = 1 ✅ Trigonometry identity proof ✅ Class 10 CBSE Board Maths PYQ 2025 🎯 Useful for students preparing for the CBSE Class 10 Maths Board Exam and practising important Trigonometry questions. 📌 Watch more chapter-wise Class 10 Maths PYQs on BrainYaanX. Subscribe to BrainYaanX for Class 10 Maths concepts, PYQs, and board exam preparation. #Class10Maths #Trigonometry #CBSE2025 #CBSEPYQ #MathsPYQ