Will fan and medal A rain gutter is to be constructed of aluminum sheets 12 inches wide. After marking off a length of 4 inches from each edge, this length is bent up at an angle Θ. The area A of the opening may be expressed as the function: A(Θ) = 16 sin Θ • (cos Θ + 1). If Θ = 30°, what is the area of the opening? 14.9in^2 16.0in^2 19.3in^2 20.8in^2

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Will fan and medal A rain gutter is to be constructed of aluminum sheets 12 inches wide. After marking off a length of 4 inches from each edge, this length is bent up at an angle Θ. The area A of the opening may be expressed as the function: A(Θ) = 16 sin Θ • (cos Θ + 1). If Θ = 30°, what is the area of the opening? 14.9in^2 16.0in^2 19.3in^2 20.8in^2

Mathematics
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At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

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@jim_thompson5910 can you help? Or do you know anyone who can help?
\[\Large A(\theta) = 16*\sin(\theta)*(\cos(\theta) + 1)\] \[\Large A(30^{\circ}) = 16*\sin(30^{\circ})*(\cos(30^{\circ}) + 1)\] \[\Large A(30^{\circ}) = 16*\frac{1}{2}*(\frac{\sqrt{3}}{2} + 1)\] \[\Large A(30^{\circ}) \approx 16*0.5*(0.866025 + 1)\] \[\Large A(30^{\circ}) \approx ???\]
In step 3, I used the unit circle http://upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Unit_circle_angles_color.svg/1024px-Unit_circle_angles_color.svg.png

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Other answers:

So the answer would be A?
yeah I'm getting 14.9282 which rounds to 14.9
That's what I got :) Thank you so much

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