Question:
Vyberte všechny výrazy, jejichž hodnota je větší nebo rovna $1$.
Project ID:
7400120110
Answer 1:
$\sin 60^{\circ}-\cos 30^{\circ}$
Answer 1 Correct:
0
Answer 2:
$\frac{1}{\mathrm{tg}\, 30^{\circ}}$
Answer 2 Correct:
1
Answer 3:
$\cos 25^{\circ}-\sin 25^{\circ}$
Answer 3 Correct:
0
Answer 4:
$\left(\frac{1}{\cos60^{\circ}}\right)^2$
Answer 4 Correct:
1
Answer 5:
$\cos 60^{\circ}+\cos 30^{\circ}$
Answer 5 Correct:
1
Answer 6:
$\sin 10^{\circ}-\cos 10^{\circ}$
Answer 6 Correct:
0
Answer 7:
$\frac{1}{\mathrm{tg}\, 45^{\circ}}$
Answer 7 Correct:
1
Answer 8:
$\left(\mathrm{tg}\, 60^{\circ}\right)^2$
Answer 8 Correct:
1