General solution of `cot4x=-1` is
A. `(npi)/(4)+(3pi)/(4), ninZ`
B. `(npi)/(4)+(3pi)/(16), ninZ`
C. `npi+(3pi)/(4), ninZ`
D. `npi+(3pi)/(16), ninZ`
A. `(npi)/(4)+(3pi)/(4), ninZ`
B. `(npi)/(4)+(3pi)/(16), ninZ`
C. `npi+(3pi)/(4), ninZ`
D. `npi+(3pi)/(16), ninZ`
Correct Answer – B