Question

What is sin(x) times sin(x)?

Answer 1

`sin(x)xxsin(x) = sin^2(x)`

There are other answers, for example,
since `sin^2(x)+cos^2(x) = 1`
you could write
`sin(x)xxsin(x) = 1-cos^2(x)`
(but that's not much of a simplification)