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kettledrum | 13:53 Thu 20th Sep 2007 | Quizzes & Puzzles
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I wonder if there are more mathematicians on Q & P than there are on Science.
I posted a question there about 2 1/2 hours ago and have had no replies. Not the sort of service I'm used to on Q & P !!
I have finished the crossword ( I think) but don't know which entry to highlight. All would be revealed (?) if I could do the maths required ....

"square one plus four x sine of sum of clue nos"

Clues number from 1 to 36 inclusive - their sum is n(n+1)/2 = 36 x 37 /2 = 666
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Sine of 666 = -0.0176416458.
So is it square (1+4) x Sine 666 = -0.441041145
or Square 1+(4xSine 666)=0.929433417
Question Author
Oh dear! That doesn't immediately reveal anything to me! I was rather expecting the answer to be something really simple:
Your guess is as good as mine as to what the hidden message means as regards the way the calculation is done.
On the assumption that multiplication takes prededence over addition, I would expect the answer to be :
1 + (4 x -0.0176416458) all squared
1 + (-0.0705665832) all squared
0.9294334148 squared = approx 0.8649 (.93 sq)
Question Author
Sorry Trevilino - after juggling with numbers every way I could think of for the last half hour I failed to thank you for coming up with the number for sine of 666. I'm most grateful even if it doesn't seem to have got me anywhere.

Is there any way you can see that these numbers can be manipulated to come up with a nice whole number - preferably 5 !!
[1 + 4xsin(666)]^2 = 5 (as near as dammit)

I chose to highlight 5. QUINAY
Question Author
Thank you Mad Max & Crofter. I wish I'd seen that thread earlier. It would have saved me a lot of trouble.!

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