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Douglas Hoffman
Mathematics
1 October, 20:45
Disprove sinx+sin5x=tan3x
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Jagger Barry
1 October, 20:59
0
Counter-example:
set x=π /6
LHS=sin (π /6) + sin (5π /6) = 1/2+1/2=1
RHS=tan (3π /6) = tan (pi/2) = ∞
since LHS≠ RHS for the counter-example given, the statement
sinx+sin5x=tan3x
is false.
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