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# Eccentric angle p5 watch

1. hi this came from ex4bi just cant get my head around it

also
i cant find many eccentric angle questions in edexcels p5 book, does ny1 know of any?, i need to do them as i dont fully understand them and i dont know what i need to know.
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2. (Original post by amo1)
hi this came from ex4bi just cant get my head around it

also
i cant find many eccentric angle questions in edexcels p5 book, does ny1 know of any?, i need to do them as i dont fully understand them and i dont know what i need to know.
M has co-ordinates (a([email protected])/2,b/2 [email protected])

So

x - a/2 = a/2 [email protected]
y = b/2 [email protected]

and

4/a^2 (x-a/2)^2 + 4 y^2 /b^2 = 1

<using cos^[email protected]+sin^[email protected]=1>
3. cheers

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