What is 3sin30 + cot45 + cos30 × cos30 + 2sin60-2tan45

What is 3sin30 + cot45 + cos30 × cos30 + 2sin60-2tan45

Original formula = 3 * (1 / 2) + 1 + (radical 3 / 2) (radical 3 / 2) + 2 (radical 3 / 2) - 2 * 1
=3 / 2 + 1 + 3 / 4 + radical 3-2
=5 / 4 + radical 3

√ 1-2sin60 + sin60

Radical (1-sin60) ^ 2 = 1-sin60 = 1-radical 3 / 2

Calculation: 6tan230 ° - 3sin60 ° - 2cos45 ° + tan45 °

6tan230°-3sin60°-2cos45°+tan45°=6×（33）2-3×32-2×22+1=2-32-2+1=32-2．

sin60°+√2cos45°/(0.5*cos30°-tan45°)+4tan60°=?

=（√3/2）+（√2）×（√2/2）/【0.5×（√3/2）-1】+4√3
=（√3/2）+（1）/【（√3-4）/4】+4√3
=（9√3）/2+4/（√3-4）
=（9/2）√3-4（4+√3）/5
=4.3√3-3.2

(- 1) 2013 power 2sin60 ° - | tan45 ° - 2cos45 °|

(- 1) 2013 power 2sin60 ° - | tan45 ° - 2cos45 °|
=-1+2×√3/2-(√2-1)
=-1+√3-√2+1
=√3-√2;
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