Arctangent + analytic geometry - math problems
Number of problems found: 6
- Angle between lines
Calculate the angle between these two lines: ? ?
A straight line p given by the equation ?. Calculate the size of angle in degrees between line p and y-axis.
- The angle of lines
Calculate the angle of two lines y=x-21 and y=-2x+14
- Tangents to ellipse
Find the magnitude of the angle at which the ellipse x2 + 5 y2 = 5 is visible from the point P[5, 1] .
- Coordinates of square vertices
I have coordinates of square vertices A / -3; 1/and B/1; 4 /. Find coordinates of vertices C and D, C 'and D'. Thanks Peter.
- Resultant force
Calculate mathematically and graphically the resultant of a three forces with a common centre if: F1 = 50 kN α1 = 30° F2 = 40 kN α2 = 45° F3 = 40 kN α3 = 25°
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