Find the acute angles A and B satisfying
(a) cot(A+B)=1, cosec(A−B)=2
(b) secA cotB− secA−2 cotB+2=0
1)cot(A+B)= 1 , cosec(A-B)= 2
2)secAcotB -secA-2cotB+2=0
If cosec(A+B)=2√3, sec(A-B)=2√3, 0∘<A+B≤90∘, Find A and B.