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Author Topic: A level maths help needed  (Read 1357 times)

Offline RTB

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A level maths help needed
« on: December 16, 2010, 01:37:03 pm »
does anyone noe how 2 do q7 p2 9709 integration question
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Freaked12

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Re: A level maths help needed
« Reply #1 on: December 16, 2010, 02:04:44 pm »
which year?
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Offline RTB

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Re: A level maths help needed
« Reply #2 on: December 16, 2010, 02:39:08 pm »
nov 2001 n i even have more doubts but after i understand this i will go ahead
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Offline RTB

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Re: A level maths help needed
« Reply #3 on: December 16, 2010, 03:16:35 pm »
i have another doubt in june 2002 P2 q4iii) 6)
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Freaked12

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Re: A level maths help needed
« Reply #4 on: December 17, 2010, 02:57:51 pm »
Give me the link to the paper or write down the question.

I cant find paper 2 for mathematics
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Offline RTB

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Re: A level maths help needed
« Reply #5 on: December 17, 2010, 05:52:07 pm »
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elemis

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Re: A level maths help needed
« Reply #6 on: December 18, 2010, 11:06:40 am »
2 minutes,
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elemis

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Re: A level maths help needed
« Reply #7 on: December 18, 2010, 11:10:55 am »
\frac{dy}{dx} = -3sinx +2cosx

2cosx = 3sinx

Remember that \frac{sinx}{cosx} = tanx

Hence, \frac{2}{3}=tanx

tan-12/3 = 33.7 = x coordinate

Plugging 33.7 into original equation :

3*cos*33.7 + 2*sin*33.7 = 3.61 = y coordinate
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