Mathematics, 31.01.2020 16:56 Fhalcon543
For 180∘< θ< 270∘, which of the primary trigonometric functions may have negative values?
tanθ and sinθ
tanθ and cosθ
cosθ and sinθ
cosθ only
Answers: 2
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For 180∘< θ< 270∘, which of the primary trigonometric functions may have negative values?
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