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Evaluate: 2 tan2 45° + cos2 30° - sin2 60°

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Evaluate: 2 tan2 45° + cos2 30° - sin2 60°
1. 1/2
2. 2
3. 0
4. 1
5. None of these
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1 Answer

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Correct Answer - Option 2 : 2

2 tan2 45° + cos2 30° - sin2 60°

= 2 × 12 + (√3/2)2 – (√3/2)2

= 2 + 3/4 – 3/4

= 2
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