An angle is radians

MATHEMATICS · Single correct · A Level · Mathematics · Trigonometry · Trigonometry

Problem

An angle is −2.4-2.4 radians. Determine its measure, correct to the nearest degree. (a) −69∘-69^\circ (b) 138∘138^\circ (c) −138∘-138^\circ (d) −144∘-144^\circ

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