A vector makes angles and with the positive - and -axes respectively

MATHEMATICS · Single correct · CBSE · Mathematics · Three-Dimensional Geometry · Three-Dimensional Geometry

Problem

A vector makes angles

45^\circ

and

60^\circ

with the positive

x

- and

y

-axes respectively. The angle it makes with the

z

-axis is (a)

75^\circ

(b)

60^\circ

(c)

45^\circ

(d)

69^\circ