Goniometry and trigonometry - math problems

Number of problems found: 423

  • Trigonometry
    sinus Is true equality? ?
  • Trigonometry
    trigonometry If you know that cos(γ) = sin (806°), what is the angle γ?
  • Q-Exam
    unitCircle If tg α = 9.6, Calculating sin α, cos α, cotg α .
  • Modulus and argument
    complex_numbers Find the mod z and argument z if z=i
  • Height 2
    1unilateral_triangle Calculate the height of the equilateral triangle with side 27.
  • Cotangent
    sin_cos If the angle α is acute, and cotan α = 1/3. Determine the value of sin α, cos α, tg α.
  • One side
    angle_incline One side is 36 long with a 15° incline. What is the height at the end of that side?
  • Two bricks
    bricks_4 One brick weighs 1kg and half a brick, how many weigh two bricks?
  • Cosine
    cosine The point (3, 4) is on the terminal side of angle θ. cos θ = ?
  • Proportion
    proportion write the following proportion 8 is to 64 as to 2 is to x
  • Sines
    sines In ▵ ABC, if sin(α)=0.5 and sin(β)=0.6 calculate sin(γ)
  • Three
    work Three pavers will pave the sidewalk in 4 days. How long does it take for two tiles to pave the same sidewalk?
  • Bevel
    zkoseni I have bevel in the ratio 1:6. What is the angle and how do I calculate it?
  • Sinus
    sine_cosine Determine the smallest integer p for which the equation 4 sin x = p has no solution.
  • 14 percent
    percent_1 If 14 percent is 56, what is the base?
  • Trigonometric functions
    trigonom In the right triangle is: ? Find the value of s and c: ? ?
  • Scalene triangle
    triangles_1 Solve the triangle: A = 50°, b = 13, c = 6
  • Tank 11
    tanks_6 When 150 litres has been drawn from a tank it is 3/8 full, how many litres will the tank hold?
  • Proportional relationship
    ratios2 The ordered pairs (6,24) and (1, s) represent a proportional relationship. Find the value of s.
  • Motor oil
    olej 30 liters of oil cost 28.80 Euros. How much cost a liter?

Do you have an interesting mathematical word problem that you can't solve it? Submit a math problem, and we can try to solve it.



We will send a solution to your e-mail address. Solved examples are also published here. Please enter the e-mail correctly and check whether you don't have a full mailbox.

Please do not submit problems from current active competitions such as Mathematical Olympiad, correspondence seminars etc...



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.