Question

Evaluate 2 cot^2 30° + cos^2 30° - sin^2 60° ​

Answer 1

Now,

cot 30° – 2 cos 60°

= (V3)2 – 2 x

3 =

1 2

= 32

= 1

3

4

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Answer 2

Answer:

Hey mate the answer is 3/2

2 cot^2 30° + cos^2 30° - sin^2 60° =

2 x (

$2 \times ( \sqrt{3 } \div 2 ) {}^{2} + ( \sqrt{3} \div 2) {}^{2} - (\sqrt{3} \div 2) {}^{2}$

$= \: 2 \times 3 \div 4 + 3 \div 4 - 3 \div 4$

$= 3 \div 2 + 3 \div 4 - 3 \div 4$

$= 3 \div 2$

= 3/2

Hope this will help you