Sine + real numbers - math problems
Number of problems found: 7
If the angle α is acute, and cotg α = 1/3. Determine the value of sin α, cos α, tg α.
- Trigonometric functions
In the right triangle is: ? Find the value of s and c: ? ?
- Regular 5-gon
Calculate the area of the regular pentagon with side 7 cm.
- IS triangle
Calculate interior angles of the isosceles triangle with base 40 cm and legs 22 cm long.
Determine the interior angles of a rhombus with area 319.1 cm2 and perimeter 72 cm.
Determine the dimensions of cuboid a, b, c; if diagonal d=9 dm has angle with edge a α=55° and has angle with edge b β=58°
The observer sees a straight fence 100 m long in 30° view angle. From one end of the fence is 102 m. How far is it from another end of the fence?
Most natural application of trigonometry and trigonometric functions is a calculation of the triangles. Common and less common calculations of different types of triangles offers our triangle calculator. Word trigonometry comes from Greek and literally means triangle calculation.