maths-bbqz
New Member
- Joined
- Mar 5, 2009
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- HSC
- 2010
Well if you're so good, determine all three digit numbers N having the property that N is divisible by 11 and N/11 is equal to the sum of the squares of the digits of N?
Also, solve (cosx)^n - (sinx)^n = 1, where n is a natural number
Also, solve (cosx)^n - (sinx)^n = 1, where n is a natural number