If sin theta < 0 and tan theta < 0 then:​

D.    270º < x < 360º

Step-by-step explanation:

sin is negative in Quad III and IV

tan is negative in Quad II and IV

Therefor ∅ is in Qaud IV

270º < x < 360º

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

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