Xyz is a right angled triangle at y, if yz =2xy,
Find the value of each of :tan z, tan x, cos z, cos x
3
2
xy
5xy
2x
49 5/6 x 3
=
3ab + 9a
3x^2+11x-20
574 ÷ 15 =
15 $\sqrt{574}$
You are standing on the ground at the origin of a coordinate system. An airplane flies over you with
constant velocity parallel ...
x^2+6x-27