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98. Find the values of A and B which satisfy the equations cos (2A + B) = 0.3 and cos (2A - B) = 0.6 if 0° < 2A + B < 90° and 0° < 2A-B < 90°.​
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98. Find the values of A and B which satisfy

the equations cos (2A + B) = 0.3 and
cos (2A - B) = 0.6 if 0° < 2A + B < 90° and
0° < 2A-B < 90°.​

User Evgeny Samsonov
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1 Answer

11 votes

Answer: answer is a

Explanation:

User Brandt
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