Question

calcule a primeira determinação positiva de 13r/2​

Answer 1

$\large\boxed{\begin{array}{l}\sf\dfrac{13\pi}{2}=\dfrac{12\pi}{2}+\dfrac{\pi}{2}\\\sf\dfrac{13\pi}{2}=6\pi+\dfrac{\pi}{2}\\\sf\dfrac{13\pi}{2}=3\cdot2\pi+\boxed{\sf\dfrac{\pi}{2}}\\\sf a~1^a~determinac_{\!\!,}\tilde ao~positiva~\acute e~\dfrac{\pi}{2}\\\sf e~a~express\tilde ao~geral~dos~arcos~c\hat ongruos~\acute e \\\sf \alpha=\dfrac{\pi}{2}+2k\pi,k\in\mathbb{Z}\end{array}}$