Page 1 of 1

If θ is the angle between the planes a1x + b1y + c1z + d1 = 0 and a2x + b2y + c21z + d2 = 0 then cos θ=\(\frac {a1a2.b1

Posted: Wed Jul 13, 2022 8:09 pm
by answerhappygod
a) True
b) False