2tan30°/1+tan^2 30 answer it
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Answer:
tan 30°=1/√3
1+tan²30°=sec² 30°
sum:
2×1/√3 ÷1+tan² 30
2/√3 ÷ (sec² 30°)
2/√3 ÷(2/√3)2
2/√3×√3/2×√3/2
Ans √3/2
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