with the usual notation in
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Answer:
A+B=120
o
tan
2
A−B
=
a+b
a−b
cot(
2
C
)
=
2(
3
)
3
+1−
3
+1
cot(30
o
)=
3
1
⋅
3
=1
2
A−B
=45
o
⇒A−B=90
o
A+B=120
o
_______________
2A=210
o
A=105
o
B=15
o
∠A:∠B = 7:1
Step-by-step explanation:
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