sin45°/(cos60°-tan60°)+cos45°×cos30°=.

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sin45°/(cos60°-tan60°)+cos45°×cos30°=.sin45°/(cos60°-tan60°)+cos45°×cos30°=.sin45°/(cos60°-tan60°)+c

sin45°/(cos60°-tan60°)+cos45°×cos30°=.
sin45°/(cos60°-tan60°)+cos45°×cos30°=.

sin45°/(cos60°-tan60°)+cos45°×cos30°=.
sin45°/(cos60°-tan60°)+cos45°×cos30°
=(√2/2)/(1/2-√3)+√2/2×√3/2
=.√2/(1-2√3)+√6/4
=√2(1+2√3)/(1-12)+√6/4
=√6/4-(√2+2√6)/11
=(11√6-4√2-8√6)/44
=(3√6-4√2)/44