1.

If cos theta - sin theta = (1)/(5), where 0 lt theta lt (pi)/(4), then{:(,"Column I",,"Column II"),((A),(cos theta+sin theta)//2,(p),(4)/(5)),((B),sin2theta,(q),(7)/(10)),((C ),cos2theta,(r ),(24)/(25)),((D),cos theta,(s),(7)/(25)):}

Answer»


ANSWER :A-q; B-r; C-s; D-p


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