if tan (A-B)= 1/√3 and tan (A+ B)= -1,find A
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Step-by-step explanation:
tan(A-B) =1/root3
(A-B) =30 degrees
tan(A+B)=-1
(A-B) =-45degees
solving both equations
A+B=30
A-B=-45
2A=15
A=7.5
A+B=30
7.5+B=30
B=30-7.5
B=22.5
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