# Thread: Basic Integral calculus help

1. ## Basic Integral calculus help

$\displaystyle $\int_3^{pi/2} sin(x) \, dx$$

This question is a non calulater question, And i don't see how i can figure this out without a cal. The answer says it is 1. But i get cos (3)

2. It may be a typo. I just tried it and I also got cos 3.

3. Originally Posted by Dizko
$\displaystyle $\int_3^{pi/2} sin(x) \, dx$$

This question is a non calulater question, And i don't see how i can figure this out without a cal. The answer says it is 1. But i get cos (3)
The question probably has a typo and is meant to be $\displaystyle \int_0^{\pi/2} \sin(x) \, dx$.