Question

Simplify sin3xcos2x-cos3xsin2x

Answer 1

Can you please help? @myininaya

Answer 2

looks like the subtraction angle formula for sine

Answer 3

\[\sin(\alpha -\beta)=\sin(\alpha)\cos(\beta)-\cos(\alpha)\sin(\beta)\] put \(\alpha =3x, \beta=2x\)

Answer 4

Do is it sinx?

Answer 5

you get
\[\sin(3x-2x)\] or just
\[\sin(x)\]
that is what i get, yes

Answer 6

thank you!