if sec(2A+B) and tan(A-2B)=0 find A and B
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Answer:
A = 36°
B = 18°
Step-by-step explanation:
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2A + B = 90°...................(1)
A - 2B = 0°......................(2)
adding equation (1)×2 + (2)
5A = 180°
A = 36°
B = 18°
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