Question:
Určete všechny hodnoty $\varphi$, pro které je součin $\sin \varphi \cdot \cos \varphi$ kladný.
Project ID:
7400120177
Answer 1:
$\varphi = 80^{\circ}$
Answer 1 Correct:
1
Answer 2:
$\varphi = 105^{\circ}$
Answer 2 Correct:
0
Answer 3:
$\varphi = \frac{10}{7}\pi$
Answer 3 Correct:
1
Answer 4:
$\varphi = \frac{1}{4}\pi$
Answer 4 Correct:
1
Answer 5:
$\varphi = \frac{8}{7}\pi$
Answer 5 Correct:
1
Answer 6:
$\varphi = \frac{11}{7}\pi$
Answer 6 Correct:
0
Answer 7:
$\varphi = \frac{5}{4}\pi$
Answer 7 Correct:
1
Answer 8:
$\varphi = \frac{11}{6}\pi$
Answer 8 Correct:
0