Definite Integral of cos(x)

Group Discussion
Find the following values and compare them. [br][br]* [math]\int_{\pi}^{\frac{3\pi}{2}}cos\left(x\right)dx[/math][br]* [math]sin\frac{3\pi}{2}-sin\pi[/math][br][br]What can you say about the relationship between definite integral cos(x) and sin(x)?

Información: Definite Integral of cos(x)