Who among the following is NOT considered as the trinity

Which is not the function of the Operating System?

From a point 30 m away from the base of a building, the angle of elevation to the top of the building is 60°. Find the height of the building.

If (x – 1/x = 5√2), then find the value of {(x⁴ + 1/x⁴ ) ÷ 1351}.

Let a line pass through the origin and make equal angles with the coordinate axes. Then the direction cosines of the line are:

The area of rhombus is 270m² and one of its diagonal is 18 m. Find the length of another diagonal.

If A is an orthogonal matrix, then A⁻ᵀ is