Trigonometrymedium · Past Paper

Evaluate: tan 15°.

A2 - √3
B2 + √3
C√3 - 1
D1 - √3

✓ Correct Answer: A2 - √3

tan(45-30) = (1 - 1/√3) / (1 + 1/√3) = (√3-1)/(√3+1) = 2 - √3.

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