Question

O valor de y da figura abaixo é:

Answer 1

Explicação passo-a-passo:

$\sf y=\dfrac{sen~\Big(\frac{\pi}{3}\Big)+sen~\Big(\frac{\pi}{6}\Big)\cdot sen~90^{\circ}\cdot sen~\pi}{cos~\Big(\frac{\pi}{6}\Big)+sen~\Big(\frac{\pi}{3}\Big)\cdot cos~90^{\circ}\cdot cos~\pi}$

$\sf y=\dfrac{\frac{\sqrt{3}}{2}+\dfrac{1}{2}\cdot1\cdot0}{\frac{\sqrt{3}}{2}+\dfrac{1}{2}\cdot0\cdot(-1)}$

$\sf y=\dfrac{\frac{\sqrt{3}}{2}+0}{\frac{\sqrt{3}}{2}-0}$

$\sf y=\dfrac{\frac{\sqrt{3}}{2}}{\frac{\sqrt{3}}{2}}$

$\sf \red{y=1}$

Letra D