Question

IF tan (A + B) = 3 and tan (
AB)=1/13. 0* <A + B = 90': A > B. find A and
B.​

Answer 1

Answer:

tan(a+b) = root3

tan(a-b)= 1/root3  

We know tan 60 = root 3 and tan 30 = 1/root3

So, a+b = 60, a-b = 30

Adding the two gives  

a+a+b-b=60+30

2a=90  

a = 45

a+b=60

45+b=60

b=15

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