1.

If sec(2A+B) and tan(A-2B)=0 find A and B

Answer»

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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