A projectile is fired making an angle 2θ with the horizontal with a velocity of 4m/s. At a Particular instant, it, makes an angle θ with the horizontal. What is its velocity at that instant?
4cosθ
4(secθ+cosθ)
2(secθ+4cosθ)
4(2cosθ−secθ)
A
4cosθ
B
4(secθ+cosθ)
C
4(2cosθ−secθ)
D
2(secθ+4cosθ)
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