Question

Objective Mathematics
13.
If a vector makes an angle 45° with x-axis and 30° with y-axis. The its angle with z-axis will b
1
(d) 60°
he
(a) 105°
(b) 90°
(c) Cos-1
lo
nanalo of naual magnitude with there axis then its direction consines are​

Answer 1

Answer:

that is the answer cos-1