3*(-anb0)/(sin60+cos60^(@))

Value of the expression : (1+2sin60^(@)cos60^(@))/(sin60^(@)+cos60^(@))+(1-2sin60^(@)cos60^(@))/(sin60^(@)-cos60^(@)) is

(tan60^@)/(sin60^@+cos30^@)

Evaluate : |(sin30^@, cos30^@),(-sin60^@, cos60^@)| .

Find the value of (sin30^@+cos30^@)(sin60^@+cos60^@)

Show that : (1-sin60^(@))/(cos60^(@))=2-sqrt3 .

(2tan3 0^(@))/(1-tan^2 3 0^(@)) is equal to (a) sin60^(@) (b) cos60^(@) (c) tan60^(@) (d) sin30^(@)

Show that : (i) (1-sin60^(@))/(cos60^(@))=(tan60^(@)-1)/(tan60^(@)+1) (ii) (cos30^(@)+sin60^(@))/(1+sin30^(@)+cos60^(@))=cos30^(@)

cos30^(@)sin60^(@)+cos60^(@)sin30^(@)= ……………………

Evaluate |{:(sin30^@"",cos30^@),(-sin60^@"",cos60^@):}|