Evaluate: 2 tan²45°+cos²30°-sin²60°
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Answered by
2
Step-by-step explanation:
2 tan²45°+cos²30°-sin²60°= 2+3/4-3/4= 2
Answered by
1
Answer: 2
Step-by-step explanation: 2tan²45 + cos²30 - sin²60
⇒2×1² + (√3/2)² - (√3/2)²
⇒ 2 + 3/4 - 3/4
⇒
⇒
= 2
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