arctan(z)=12ilog(1+iz1−iz)
i have tried but my answer doesn't matches to the equation .the componendo dividendo property might have been used. where
arcsin(x)=1ilog(iz+√1−z2)
I have injection f:A→B and I want to get bijection. Can I just resting codomain to f(A)? I know that every function i...
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