arctg 1 - arctg √3 arcsin √2/2 + arccos 1/2

Question

arctg 1 - arctg √3

arcsin √2/2 + arccos 1/2

Answer 1

arctg 1 - arctg √3=п/4-п/3=3п-4п/12=-п/12

arcsin √2/2 + arccos 1/2=п/4+п/3=3п+4п/12=7п/12