A) Tangent is positive in Quadrant I.
Since sine and cosine are both positive in Quadrant I and tangent is the ratio of sine to cosine, tangent is positive in Quadrant I
<em>I think your answer is fine</em>
Well , in 3 hours , the amount of the tank that will be filled with pipe A = 8,000 x 3 = 24,000 L
Pipe could empty that 24,000 L in 3 hours.
So the capacity is around 6 - 8 L . .. . we need additional information to find out for sure
hope this helps
