Answer:

6

Step-by-step explanation:

(4/3)tan² 60°+ 3 cos²30° - (3/4) cot²60°

= (4/3) x (√3)² + 3 x(√3/2)² - (3/4)x (1/√3)²

= 4 + 9/4 - 1/4

= 6

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