# Thread: Sine function.

1. ## Sine function.

hey . when i look at this function i cant get it . but i try to drawing it to understand it . i drawing it and i understand one thing look at the pic and tell me :

1) if i totally wrong . and tell me the right answer .

2. Originally Posted by hpla
hey . when i look at this function i cant get it . but i try to drawing it to understand it . i drawing it and i understand one thing look at the pic and tell me :

1) if i totally wrong . and tell me the right answer .

What is the question? We are not mind readers. Please post the question exactly as it's written from where you got it from.

3. I haven't the foggiest idea what you mean, is it related to Balloon Calculus home page. Easy calculus! Don't integrate - balloontegrate! ?

4. Try a u substitution. Let $u = \pi x$. Then $du = \pi dx \implies dx = \frac{du}{\pi}$.

-Dan