A Level

MATHEMATICS · Subjective · A Level · Mathematics · Trigonometry · Trigonometry

Problem

Compute sin⁡60∘cos⁡30∘+cos⁡60∘sin⁡30∘sin⁡245∘−(tan⁡60∘−1tan⁡30∘)\displaystyle \frac{\sin 60^\circ \cos 30^\circ + \cos 60^\circ \sin 30^\circ}{\sin^{2} 45^\circ} - \left(\tan 60^\circ - \frac{1}{\tan 30^\circ}\right).

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