the cartesian equation of trajectory is (where u = velocity of projection, α =

Question

The cartesian equation of trajectory is (where u = velocity of projection, α = angle of projection, and x, y = co-ordinates of any point on the trajectory after t seconds.)

Options:

A . y = (gx²/2u² cos²α) + x. tanα

B . y = (gx²/2u² cos²α) - x. tanα

C . y = x. tanα - (gx²/2u² cos²α)

D . y = x. tanα + (gx²/2u² cos²α)

Answer: Option C

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