If and only if the absolute value + B of F (x) = x (SiNx + a) is odd? The answer is a ^ 2 + B ^ 2 = 0

If and only if the absolute value + B of F (x) = x (SiNx + a) is odd? The answer is a ^ 2 + B ^ 2 = 0

Substituting (0,0) point · > b = 0, then substituting > A = 0
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