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Maths Puzzle
Numerical Ability
simplify the square root of 20 power 5 minus 1 power the square root of 5
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I am having trouble with my college homework sheets. Can someone please help me figure these out. I would really appreciate all the help you can give me. This problem is from homework sheet
16.) 6x-y-5z=27
-8x +2z=-56
4y + z=8
Verify the identity.
a)(csc(-t)-sin(-t))/(sin(-t))=cot^(2)t
b)ln cotx= -ln tanx