# physics

posted by
**Reem** on
.

A=ax+by B=cx+dy

If a = 5 , b = 5, c = 4 and d = 1.

Find the direction of -A (in degrees): relative to +x

posted by
**Reem** on
.

A=ax+by B=cx+dy

If a = 5 , b = 5, c = 4 and d = 1.

Find the direction of -A (in degrees): relative to +x