The Student Room Group

Core 3 Prove Question

Can anyone help me solve this question, I pretty unsure what to do from here:



Thanks,
Original post by Reety
Can anyone help me solve this question, I pretty unsure what to do from here:



Thanks,


What about adding the fractions on the denominator?

Then you can simplify ...
Reply 2
Original post by Muttley79
What about adding the fractions on the denominator?

Then you can simplify ...


Yeah but how, they need to be the same for that.
Original post by Reety
Can anyone help me solve this question, I pretty unsure what to do from here:



Thanks,


Try multiplying through by sin^2(x)
Tan(theta)=?
adding fractions...

a/b + c/d = {ad + bc}/ bd

:hat2:
Original post by Reety
Yeah but how, they need to be the same for that.


Find a common denominator ...
Reply 7
Original post by the bear
adding fractions...

a/b + c/d = {ad + bc}/ bd

:hat2:


Original post by Muttley79
Find a common denominator ...


... Oh yeah... Brain lag Lol!
Original post by Reety
... Oh yeah... Brain lag Lol!


Easily done! You should recognise the numerator and then you can divide the fractions :smile:
Reply 9
Original post by Muttley79
Easily done! You should recognise the numerator and then you can divide the fractions :smile:


All Done!



Thank you everybody for the help! :smile:
Original post by Reety
All Done!



Thank you everybody for the help! :smile:


Well done! C3 markschemes can be fierce so don't forget to start by saying:
LHS and using identity symbol rather than equals all theway through.

End up by saying what you've proved ...

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