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If sin80+sin50= 2sinA.cosB then a and b is |
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Answer» Answer: A=65,B=15 Step-by-step explanation: formula, sinA+sinB = 2sin(A+B/2).COS(A-B/2) now, A= 80+50/2 = 130/2 =65 B=80-50/2 =30/2 =15 |
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