If a vector vec(A) makes angles 45^(@) and 60^(@) with x and y axis respectively then the angle made by it with z-axis is

If a vector vec(A) makes angles 45^(@) and 60^(@) with x and y axis re

1.	If a vector vec(A) makes angles 45^(@) and 60^(@) with x and y axis respectively then the angle made by it with z-axis is
Answer» `30^(@)` `60^(@)` `90^(@)` `120^(@)` Answer :B