Question

4.Evaluate : 2 tan²45 + cos²30 — sin 60​

Answer 1

Answer:

2 tan²45+cos²30-sin60

=> 2(1)²+(√3/2)²-(√3/2)

=>

$= > \: 2 + \frac{3}{4} - \frac{ \sqrt{3} }{2} \\ = > \frac{8 + 3 - 2 \sqrt{3} }{4} \\ = > \frac{11 - 2 \sqrt{3} }{4}$

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Answer 2

Step-by-step explanation:

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