If the angle between the two lines represented by `2x^2+5x y+3y^2+6x+7y+4=0` is `tan^(-1)(m),` then find the value of `mdot`

Find the angle between the lines represented by x^2+2x ysectheta+y^2=0

If theta is the angle between the lines given by the equation 6x^2+5x y-4y^2+7x+13 y-3=0 , then find the equation of the line passing through the point of intersection of these lines and making an angle theta with the positive x-axis.

Find the angle between the two planes 3x - 6y + 2z =7 and 2x + 2y – 2z = 5.

The angle between the lines 2x - y+3 = 0 and x + 2y + 3 = 0 is

Distance between the pair of lines represented by the equation x^(2)– 6xy +9y^(2)+ 3x - 9y -4 = 0 is

Find the angle between the planes 2x – 3y + 4z= 1 and - x + y = 4

The angle between the line 3x-2y=0 and 2x+3y+5=0 is ………………….. .

The angle between the lines 2x+11y-7=0 and x + 3y + 5 = 0) is equal to

Find angle between the lines y - sqrt3x - 5 0 " and " sqrt3 y - x +6 = 0 .