Question
A space vector makes angles of $150^\circ$ and $60^\circ$ with the positive directions of the X- and Y-axes. The angle made by the vector with the positive direction of the Z-axis is .......
A space vector makes angles of $150^\circ$ and $60^\circ$ with the positive directions of the X- and Y-axes. The angle made by the vector with the positive direction of the Z-axis is .......