If A= cosa -sina] Cosa sina (a) A = B (c) AB=BA and B= [cos ...
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If A= cosa -sina] Cosa sina (a) A² = B² (c) AB=BA and B= [cos ß -sin ß sin cos then the correct relation is (b) A+B=B-A (d) None of these If A= cosa -sina] Cosa sina (a) A² = B² (c) AB=BA and B= [cos ß -sin ß sin cos then the correct relation is (b) A+B=B-A (d) None of these
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