A rain gutter is to be constructed from a metal sheet of width 48 cm by bending up one-third of the sheet on each side through an angle θ.

Show that the cross-sectional area of the gutter is modeled by the function

A (θ) = 256 sin (θ) + 256 sin (θ) cos (θ).

For what angle θ is the largest cross-sectional area achieved?

Question

Sage Huang

10 January, 13:00

+2

Answers (1)

Know the Answer?

Khalil Turner · Answer 1

This is for 30cm not 48 but you can find out how to do it. This is an example