If l is the length of the line and angle made with y axis is y° then depart

Question

If l is the length of the line and angle made with y axis is y° then departure (D) of the line is ____

Options:

A . l cos y°

B . l sin y°

C . l tan y°

D . l cosec y°

Answer: Option B
Answer: (b).l sin y°

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