Find all such that and:

MATHEMATICS · Multi-part · A Level · Mathematics · Trigonometry · Trigonometry

Problem

Find all θ\theta such that −180∘≤θ≤180∘-180^\circ\leq\theta\leq180^\circ and: (1) cos⁡θ=−110\cos\theta=-\frac{1}{10} (2) sin⁡θ=45\sin\theta=\frac{4}{5} (3) tan⁡θ=−32\tan\theta=-\frac{3}{2} (4) cos⁡θ=0.8\cos\theta=0.8 (5) tan⁡θ=−56\tan\theta=-\frac{5}{6} (6) sin⁡θ=−711\sin\theta=-\frac{7}{11}

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