Someone solve it please, it's serious, no jokes please, try to understand.
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sorry mate I can't understand
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1
Answer:
cosec(A-B)=2
cosec 30°=2
A-B=30°
cot(A+B)=1/root3=cot 60°
A+B=60°
By elimination,
A-B=30°
A+B=60°
2A=90°
A=45°
By substituting the value of A
B=15°
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