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Author Topic: nov09 math p12( AS CIE)  (Read 806 times)

Offline sweetie

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nov09 math p12( AS CIE)
« on: March 26, 2010, 09:21:13 am »
can any1 show me how to work out Q10.c??????????
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Offline astarmathsandphysics

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Re: nov09 math p12( AS CIE)
« Reply #1 on: March 26, 2010, 12:10:14 pm »
gradient of tangent is(1+3 sqrt(17))/2
gradient of AB=1/2

tan^(-1)((1+3 sqrt(17))/2) -tan^(-1)(1/2)
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Offline sweetie

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Re: nov09 math p12( AS CIE)
« Reply #2 on: March 26, 2010, 01:26:01 pm »
cud u plz xplain it in more details??????

its urgent ... plzzzzzzzzzzzzzzz
i have my mock 2morrow :-\
« Last Edit: March 26, 2010, 02:10:17 pm by notty_me »
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Offline astarmathsandphysics

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Re: nov09 math p12( AS CIE)
« Reply #3 on: March 26, 2010, 02:53:00 pm »
The angle between the x axis and a curve is arctan(gradient)

The difference between two arctan(gradients) is the angle between two curves
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Offline sweetie

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Re: nov09 math p12( AS CIE)
« Reply #4 on: March 26, 2010, 05:43:37 pm »
thank u sir :)
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