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Rain pouring down at an angle a with the...

Rain pouring down at an angle a with the vertical has a constant speed of 10 m/s. A woman runs against the rain with a speed of 8 m/s and sees that the rain makes an angle þ with the vertical. Find the relation between a and þ.

A

`tan beta = (8+10 sin alpha)/(10 cos alpha)`

B

`tan beta = (8+10 cos alpha)/(10 sin alpha)`

C

`tan beta = (10 sin alpha)/(8+10 cos alpha)`

D

`tan beta = (10cos alpha)/(8+10 sin alpha)`

Text Solution

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The correct Answer is:
A
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