Question

What is the period of `f(t)=sin( ( 2t) /7 +pi )`?

Answer 1

The period is `7pi`

Explanation:

The period of a function `f(x)=asin(bx+c)` can be calculated using a formula:

`T=(2pi)/b`

So in the example it is:

`T=(2pi)/(2/7)=2pi*7/2=7pi`