" (b) "(cos11+sin11)/(sin11)=cot34^(@)

Prove the following : (frac(cos11-sin11)(cos11+sin11))=cot56

Prove that : (cos11^@+ sin11^@)/(cos11^@- sin11^@)= tan 56^@ .

Prove that tan 56^@ = (cos11^@ + sin11^@)/(cos11^@ - sin11^@)

Prove that tan56^(@)=(cos11^(@)+sin11^(@))/(cos11^(@)-sin11^(@))

If tan theta = (cos 11^(@)+sin11^(@))/(cos11^(@)-sin11^(@)) and theta is the third quadrant find theta .

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):}

sin(-11pi)/(3)

sin((-11pi)/3)