cos^3 x cos3x + sin^3 x sin3x = cos^3 2x
Answers
Answered by
0
Prove sin 3x sin3 x + cos 3x cos3 x = cos3 2x. - Toppr
22-Nov-2019 · 1 answer
Click here to get an answer to your question ✍️ Prove sin 3x sin3 x + cos 3x cos3 x = cos3 2x
Similar questions