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What is the exact value of tan 30°?

MathematicsClass 10CBSEAnswered 19 May 2026
Answer
tan 30° = 1/√3 = √3/3 ≈ 0.5774

Derived from a 30-60-90 triangle: opposite side = 1, adjacent side = √3, so tan = 1/√3.

Mathematics · Class 10