Question

Question #f8950

Answer 1

`tan (4x+ 1/4pi) = tan (2x + 1/2pi)`

`=> 4x+ 1/4pi = npi+2x + 1/2pi" where "ninZZ`

`=> 2x= npi + 1/2pi-1/4pi" where "ninZZ`

`=> 2x= npi +1/4pi" where "ninZZ`

`=> x= n/2pi +1/8pi" where "ninZZ`