Arctangent - math problems
Number of problems found: 44
- Modulus and argument
Find the mod z and argument z if z=i
- Goniometric form
Determine goniometric form of a complex number ?.
- Angle between lines
Calculate the angle between these two lines: ? ?
- Descent of road
Road sign informs the gradient is 10.9%. Calculate the angle which average decreases.
I have bevel in the ratio 1:6. What is the angle and how do I calculate it?
Road has climbing 1:27. How big is a angle corresponds to this climbing?
A straight line p given by the equation ?. Calculate the size of angle in degrees between line p and y-axis.
- Road drop
On a straight stretch of road is marked 12 percent drop. What angle makes the direction of the road with the horizontal plane?
- Height difference
What height difference overcome if we pass road 1 km long with a pitch21 per mille?
Average climb of the road is given by ratio 1:15. By what angle road average climb?
- The angle of lines
Calculate the angle of two lines y=x-21 and y=-2x+14
Railway line had on 5.8 km segment climb 9 permille. How many meters track ascent?
- Hole's angles
I am trying to find an angle. The top of the hole is .625” and the bottom of the hole is .532”. The hole depth is .250” what is the angle of the hole (and what is the formula)?
- Cube - angles
Calculate angle between the wall diagonal and cube base. Calculate the angle between the cube body diagonal and cube base.
What angle rising stairway if step height in 20 cm and width 26 cm?
Calculate a length of the V-belt when the diameter of the pulleys is: D1 = 600 mm D2 = 120 mm d = 480 mm
- 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.
- Traffic sign
There is a traffic sign for climbing on the road with an angle of 7%. Calculate at what angle the road rises (falls).
Between cities A and B is route 13 km long of stúpanie average 7‰. Calculate the height difference of cities A and B.
- Ratio iso triangle
The ratio of the sides of an isosceles triangle is 7:6:7 Find the base angle to the nearest answer correct to 3 significant figure.