Title Text

Geometria 029

By carlos gomes

Made with Slides.com

Geometria 029

  • 303

More from carlos gomes

  • \[O(0,0), \quad B(1,0), \quad C(-\sin\beta,\,\cos\beta)\]\[A_{OABC} =\begin{vmatrix}x_B & y_B\\x_C & y_C\end{vmatrix}= 1\cdot\cos\beta - (-\sin\beta)\cdot0 = \cos\beta\]\[\text{Logo, } \boxed{\cos\bet
    carlos gomes
    0