Question

what is the difference between 3sintheta and sin3theta?

Answer 1

$3 \sin\theta \\ but \: \\ sin3 \theta = 3sin \theta - 4sin^{3} \theta \\ \\ = 3 \sin\theta - sin3 \theta \\ \\ = 3 \sin\theta - 3sin \theta + 4sin^{3} \theta \\ \\ = 4sin^{3} \theta$