Скачать или смотреть JEE Main 2 April 2025 | Trigonometry Question | How Many Solutions? | Smart Shortcut Explained

📌 This problem was asked in **JEE Main 2 April 2025 (Jee mains)**. We solve the trigonometric equation:

➡️ 2√2 cos²θ + (2 − √6) cosθ − √3 = 0

in the interval [−2π, 2π] using a super simple method — no lengthy formulas or time-consuming calculations! Just clean substitution and smart graph logic for cosine.

👉 Watch the full video to see the fastest approach using cosθ = x and graph tricks!

✅ Perfect for JEE aspirants looking for last-minute revision, shortcut methods, and full concept clarity.

📘 Solution includes:
Quick substitution
Direct factorization (no quadratic formula!)
Cosine symmetry and periodicity
Smart solution counting

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