Express in surd form and simplify by rationalizing the denominator. 3 sin 45° - 2 cos 30° tan 30°
sin 45º = 1/√2 × √2/√2 = √2/√2Cos 30º = √3/2Tan 30º = 1/√3 × √3/√3 = √3/3(3 √2/2 - 2 √3/2 )/√3/33 √2 - 2√3 2√3/3(9√2 - 6√3) √3 2√3 (√3)=9√6 - 18 63√6 - 6/2or 3√6/2 - 3
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