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2. The value of 1- tan1S:1+tan 2 30° |
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Answer» 1 - tan² 30°-----------------1 + tan²30° 1 - (1/√3)²----------------1 + ( 1/√3)² 1 - 1/3-----------1 + 1/3 2/3-----4/3 1/2 |
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