2tan²45+cos²30-sin²60
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Answered by
57
2 tan² 45 +cos²30 -sin²60
2×1²+(√3/2)²-√3/2 whole square
2+3/4-3/4
2+0
2
2×1²+(√3/2)²-√3/2 whole square
2+3/4-3/4
2+0
2
Answered by
14
2×1²+(√3/2)²-(√3/2)²
2
2
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