Answer:
2
Step-by-step explanation:
Volume of a cylinder = area of base x height:
50.24 x 3 = 150.72 ft^3
1-cos2A/sin2A
=(1-cos^2 A+sin^2 A)/(2sinAcosA)
=(sin^2 A+sin^2A)/2sinAcosA
=2sin^2 A/2sinAcos^2 A
=sinA/cosA
=tanA
