1.

Match the following :{:(,"List - I",,"List - II"),((1),cot((pi)/(4)+theta).cot((pi)/(4)-theta),(a),0),((2),sin(45^(@)+theta)-cos(45^(@)-theta),(b),tan 56^(@)),((3),(cos11^(@)+sin11^(@))/(cos11^(@)-sin11^(@)),(c ),(sqrt(3))/(2)),((4),sin^(2)75^(@)-sin^(2)15^(@),(d),1):}

Answer»

1-d, 2-a, 3-b, 4-c
1-a, 2-b, 3-c, 4-d
1-c, 2-b, 3-d, 4-c
1-b, 2-c, 3-a, 4-d

Answer :A


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