What is the formula for finding vertical distance if the staff is held – McqOptions

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1.	What is the formula for finding vertical distance if the staff is held vertical and line of sight is inclined?
A.	V = Ks ( frac{sin2 }{2} ) + C sin
B.	V = Ks cos<sup>2</sup> + C cos
C.	V = Cs ( frac{sin2 }{2} ) + K cos
D.	V = Ks sin<sup>2</sup>2 + C cos
Answer» B. V = Ks cos<sup>2</sup> + C cos

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