Question:
The top of the lighthouse is $25\,\mathrm{m}$ above sea level and can be seen from the yacht at an angle of $5^{\circ}$. Choose all the correct results that express the distance of the yacht from the foot of the slope on which the lighthouse is located.
Project ID:
7400120112
Answer 1:
$\frac{25}{\mathrm{tg}\,5^{\circ}}$
Answer 1 Correct:
1
Answer 2:
$\frac{25}{\sin 5^{\circ}}$
Answer 2 Correct:
0
Answer 3:
$\frac{25}{\cos 5^{\circ}}$
Answer 3 Correct:
0
Answer 4:
$25 \cdot \mathrm{cotg}\,5^{\circ}$
Answer 4 Correct:
1
Answer 5:
$25 \cdot \mathrm{tg}\,5^{\circ}$
Answer 5 Correct:
0
Answer 6:
$\frac{25 \cdot \cos 5^{\circ}}{\sin\,5^{\circ}}$
Answer 6 Correct:
1
Answer 7 Correct:
0
Answer 8 Correct:
0