[FP3 Hyperbolics] Simultaneous Equations Help
I have tried pretty much everything I can think, tried making them equal each other with one squared or both squared etc and what always happens is that i have it finally simplified but than the cosh(x)s or cosh(y)s cancel out so I get no answer. Maybe I am not seeing something..
I don't know if this helpful but here you go any ways.
Posted from TSR Mobile
Original post by Nirm
I have tried pretty much everything I can think, tried making them equal each other with one squared or both squared etc and what always happens is that i have it finally simplified but than the cosh(x)s or cosh(y)s cancel out so I get no answer. Maybe I am not seeing something..
solve the first equation for coshx
solve the second equation for sinhx
square them
subtract them
....
Probs easier if you write them in terms of e
X= log(3-root6). Y=log(-(root6-3)(5+2)root6))
X= log(3+root6). Y=log(-(3+root6)(2root6-5))
Posted from TSR Mobile
X= log(3+root6). Y=log(-(3+root6)(2root6-5))
Posted from TSR Mobile
Original post by Nirm
Thank you for the help everyone!
it was a toughish question without calculator so "I stole it" ...
Original post by TeeEm
it was a toughish question without calculator so "I stole it" ...
FP3 is such a pain in the ass, only thing I have to learn from is the edexcel book pretty much. Anyone who gets 100 UMS in that module.. hats off to them. Wish I had a had a brain like yours...
, would just whizz through all of FP3 in no time 
.Original post by Nirm
FP3 is such a pain in the ass, only thing I have to learn from is the edexcel book pretty much. Anyone who gets 100 UMS in that module.. hats off to them. Wish I had a had a brain like yours... , would just whizz through all of FP3 in no time .
, would just whizz through all of FP3 in no time .I can assure you it feels easy now but it did not feel easy when I was a student.
The comments you hear from some people here such as "... I did FP3 in 2 days and got full UMS ..." are cringe-worthy.
Just keep working.
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