# extreme values

• January 27th 2014, 08:37 AM
ely_en
extreme values
Hello!

How can I find out the min and max for sin 3x + sin 5x?

thank you! :)
• January 27th 2014, 08:41 AM
Plato
Re: extreme values
Quote:

Originally Posted by ely_en
How can I find out the min and max for sin 3x + sin 5x?

If $a\ne 0$ then the min & max of $\sin(ax)$ are the same as for $\sin(x)~.$