SOLUTION: Rewrite the expression as a sum or difference, then simplify if possible.
{{{cos(3theta)sin(theta)}}}
Algebra ->
Trigonometry-basics
-> SOLUTION: Rewrite the expression as a sum or difference, then simplify if possible.
{{{cos(3theta)sin(theta)}}}
Log On
This is the same as
We know that these identities hold:
We add those term by term, the last terms cancel and we get:
Or, distributing and rearranging:
Edwin