4tan²60-3tan²30+tan²45
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Answered by
3
Answer:
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Answered by
1
Answer:
12
Step-by-step explanation:
4× √3 × √3 - 3 × 1/√3 × 1/√3 + 1× 1
4× 3 - 3× 1/3 + 1
12 - 1 + 1
12
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