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= √3. √2 - √3.√2
= √6 - √6
= √6
sin 60.cos 45 - tan 30.sin 45
= 1/2√3 . 1/2√2 - 1/3√3 . 1/2√2
= 1/4 √6 - 1/6 √6
Lalu penyebutnya disamakan, menjadi :
= 1/4 sama 1/6 penyebutnya disamakan menjadi 24 :
= 6-4/24 √6
= 2/24 √6
=1/12 √6
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