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If sinA=sinB and cosA=cosB, thenA.sinA−B2=0B.sinA+B2=0C.cosA−B2=0D.cosA+B=0 |
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Answer» If sinA=sinB and cosA=cosB, then A.sinA−B2=0 B.sinA+B2=0 C.cosA−B2=0 D.cosA+B=0
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