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M2 HELP

Can someone help me with question 5 I don't understand how to get either part?

Also could someone please explain 6b - find U but then how do I use this to find V?

https://ca99c64778b62ba7e7b339967029...%20Edexcel.pdf
Original post by Teddysmith123
Can someone help me with question 5 I don't understand how to get either part?

Also could someone please explain 6b - find U but then how do I use this to find V?

https://ca99c64778b62ba7e7b339967029...%20Edexcel.pdf


For 5a) Perhaps think about finding it if it was a solid rectangle. Then find the cog for the triangle and do some work with the 2 values.

b) Trig formula

6b) Do you have any formulas with V in from your proof in a)?

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