# Tangent + sine - math problems

#### Number of problems found: 46

• Q-Exam
If tg α = 9.6, Calculating sin α, cos α, cotg α .
• Cotangent
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: ? ?
• Right triangle trigonometrics
Calculate the size of the remaining sides and angles of a right triangle ABC if it is given: b = 10 cm; c = 20 cm; angle alpha = 60° and the angle beta = 30° (use the Pythagorean theorem and functions sine, cosine, tangent, cotangent)
• Right
Determine angles of the right triangle with the hypotenuse c and legs a, b, if: ?
• One side
One side is 36 long with a 15° incline. What is the height at the end of that side?
The angle of a straight road is approximately 12 degrees. Determine the percentage of this road.
• Inscribed and described circle
Find the radii of a circle inscribed and circumscribed by a regular pentagon whose side measures 3 cm.
• Sphere in cone
A sphere of radius 3 cm describes a cone with minimum volume. Determine cone dimensions.
• Height difference
What height difference overcome if we pass road 1 km long with a pitch21 per mille?
• Regular 5-gon
Calculate the area of the regular pentagon with side 7 cm.
• Isosceles triangle 10
In an isosceles triangle, the equal sides are 2/3 of the length of the base. Determine the measure of the base angles.
• Railway
Railway line had on 5.8 km segment climb 9 permille. How many meters track ascent?
• Right angled triangle 3
Side b = 1.5, hypotenuse angle A = 70 degrees, Angle B = 20 degrees. Find its unknown sides length.
• Right triangle
Calculate the length of the remaining two sides and the angles in the rectangular triangle ABC if a = 10 cm, angle alpha = 18°40'.
Calculate the content of a regular 15-sides polygon inscribed in a circle with radius r = 4. Express the result to two decimal places.
• The staircase
The staircase has a total height of 3.6 m and forms an angle of 26° with the horizontal. Calculate the length of the whole staircase.
• Diagonals
Rhombus has two diagonals e=14 dm and f=11 dm. Calculate the side angle and height of the rhombus.
• Church tower
Archdeacon church in Usti nad Labem has diverted tower by 186 cm. The tower is 65 m high. Calculate the angle by which the tower is tilted. Result write in degree's minutes.
• Building
The building I focused at an angle 30°. When I moved 5 m building I focused at an angle 45°. What is the height of the building?

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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. Tangent - math word problems. Sine - math word problems.