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Old 22nd December 2011, 11:09 PM   #1 (permalink)
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My Maths PBL assignment

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Help is greatly appreciated..thx

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Old 22nd December 2011, 11:54 PM   #2 (permalink)
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Re: My Maths PBL assignment

It's even guided on the right side...
It's not that difficult anyway, how about specifying which part on the right side you do not understand?

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Old 23rd December 2011, 12:27 PM   #3 (permalink)
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Re: My Maths PBL assignment

I will get you started. For Q1:

CD=2-x
Hence BC=CD/cosθ = (2-x) /cos θ

Total cost= 500x + 2000 (2-x) / cos θ ---------(1)

Also, recognise that tan θ = 5/ (2-x)

Based on this, obtain an expression for cos θ in terms of x and subsequently substitute back into (1).

Hope this helps. Peace.


Last edited by whitecorp; 23rd December 2011 at 12:30 PM.
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