find acute angle A and B if (a+2b) =√3/2 and cos (a+4b)=0
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sin(A + 2B)=root3/2 and cos(A +4B)=0
i.e. A+2B = 60 degrees and A + 4B = 90 degrees
Solve for A and B , you will get A = 30 degrees and B = 15 degrees
i.e. A+2B = 60 degrees and A + 4B = 90 degrees
Solve for A and B , you will get A = 30 degrees and B = 15 degrees
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