प्रमणित गर्नुहोस् (Prove that): \( 4\sin^3\theta \cdot \cos… – SEE Class 10 Optional Maths 2082 Solved

SEE Class 10 Optional Maths · 2082 · Solved Question with Answer

प्रमणित गर्नुहोस् (Prove that):\( 4\sin^3\theta \cdot \cos 3\theta + 4\cos^3\theta \cdot \sin 3\theta = 3\sin 4\theta \)

Solution

प्रमणित गर्नुहोस् (Prove that): \( 4\sin^3\theta \cdot \cos 3\theta + 4\cos^3\theta \cdot \sin 3\theta = 3\sin 4\theta \)