9000120303 | math4u.vsb.cz

SubArea:

Metric properties

Level:

Project ID:

9000120303

Accepted:

1

Clonable:

0

Easy:

0

Identify a valid relation involving the angle

α

defined as an angle between a solid diagonal and a face diagonal through the same vertex in a cube.

tg α = \frac{\sqrt{2}}{2}

\sin α = \frac{\sqrt{3}}{2}

\cos α = \frac{\sqrt{5}}{3}

cotg α = \sqrt{3}

α = 45^{\circ}