Find the value of the following: 2tan²45° + cos²30° – sin²60°
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0
Answer:
2 tan square 45 degree + cos square 30 degree minus sin square 60 degree
Answered by
1
Answer:
2
Step-by-step explanation:
Given equation,
2 tan²45 + cos²30 - sin²60
tan 45° = 1
cos 30° = √3 / 2
sin 60° = √3 / 2
2 × 1 + ( √3 / 2 ) ² - ( √3 / 2 )²
→ 2 + ( 3 / 4 ) - ( 3 / 4 )
→ 2 + 0
→ 2
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