2 tan45° + cos2 30° - sin 60°<br />
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Answer:
2
Step-by-step explanation:
2tan45°+ cos²30°-sin60°
= 2×1 + (√3/2)² - √3/2
= 2 + 3/4 - √3/2
= (4+3-√2√3)/4
= (7-2√3)/4
Or
If it is 2tan45° +cos²30° - sin²60°
= 2×1 + (√3/2)²-(√3/2)²
= 2 + 3/4 - 3/4
= 2 + 0
= 2
•••••
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