Cosine + arccosine - practice problems - last page
Number of problems found: 45
- IS triangle
Calculate interior angles of the isosceles triangle with base 40 cm and legs 22 cm long. - Trapezoid MO
The rectangular trapezoid ABCD with the right angle at point B, |AC| = 12, |CD| = 8, diagonals are perpendicular to each other. Calculate the perimeter and area of the trapezoid. - Forces
In point, O acts three orthogonal forces: F1 = 20 N, F2 = 7 N, and F3 = 19 N. Determine the resultant of F and the angles between F and forces F1, F2, and F3. - Trigonometry
If you know that cos(γ) = sin (806°), what is the angle γ?
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