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junior college 1 | H2 Maths
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Xiaoyang
Xiaoyang

junior college 1 chevron_right H2 Maths

Help!!!

Date Posted: 7 years ago
Views: 302
Wen Guotai Daniel
Wen Guotai Daniel
7 years ago
Use angle
Wen Guotai Daniel
Wen Guotai Daniel
7 years ago
K = 2*(4Sin H = 4Cos Cos< = (H+2)/4
Sin< = Sqrt [1-((H+2)/4)^2]
K = 2*4*Sqrt [1-((H+2)/4)^2]
Area = H*K = ....
To get the max area, take derivative of area w.r.t
Xiaoyang
Xiaoyang
7 years ago
Thanks, could u ss this and directly answer my qn! Because i have other qn to ask, but i couldnt ask when this qn is not solved! Thanks

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Wen Guotai Daniel
Wen Guotai Daniel's answer
66 answers (Tutor Details)
1st
The final answer can be a rough number with decimal point.
Xiaoyang
Xiaoyang
7 years ago
Oh i just saw this! Thanks alot !’
Wen Guotai Daniel
Wen Guotai Daniel
7 years ago
No problem. Just now was on the way, couldn't write down on paper.