Trigonometrymedium · Past Paper
Evaluate: tan 15°.
A2 - √3
B2 + √3
C√3 - 1
D1 - √3
✓ Correct Answer: A — 2 - √3
tan(45-30) = (1 - 1/√3) / (1 + 1/√3) = (√3-1)/(√3+1) = 2 - √3.
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