Mathematics

Mathematics

Problem

Which of the following correctly gives the signs of sin⁡(−120∘)\sin(-120^{\circ}) and cos⁡(−120∘)\cos(-120^{\circ})? a) sin⁡\sin positive, cos⁡\cos negative b) sin⁡\sin negative, cos⁡\cos negative c) sin⁡\sin positive, cos⁡\cos positive d) sin⁡\sin negative, cos⁡\cos positive

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