2cos260-35in45/1-ten260
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Answer:
(3√2-3)/4
Step-by-step explanation:
[2cos² 30° - 3sin 45°] / 1-tan² 60°
=[2(√3/2)² - 3(1/√2) ] / 1-(√3)²
=[2×3/4 - 3/√2] / 1-3
=[3/2 - 3/√2] / (-2)
= [(3-3√2)/2×(-2)
= (3-3√2)/(-4)
=(3√2-3)/4
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