anonymous one year ago Can someone tell me why my formula for this periodic function is wrong?

1. anonymous

2. anonymous

Because you wrote the x outside of the cos function.

3. anonymous

Ah! I see! Thanks so much!

4. anonymous

Properly written as$f \left( x \right) = 3 \cos \left( \frac{ \pi x }{ 14 } \right)$

5. anonymous

You're welcome