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maw [93]
3 years ago
15

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

Mathematics
1 answer:
maria [59]3 years ago
5 0

sin(θ) < 0 is another way to say sin(θ) is negative.

tan(θ) < 0 is another way to say tan(θ) is negative.

let's recall that, on the III Quadrant sine and cosine are both negative, and thus the tangent is positive, recall tan(θ)=sin(θ)/cos(θ).

on the IV Quadrant however, sine is negative and cosine is positive, thus tangent is negative.

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Answer:

First one: x = 3, and y = 2

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Step-by-step explanation:

1. 4(3) + 2(2) + 3 = 12 + 4 + 3 = 19

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3. 2.25y + 7.25z + 11.25, 2.25(2) + 7.25(3) + 11.25 = 4.5 + 21.75 + 11.25 = 37.5

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4. The numbers 2.5 and 3 will make it true: 2(2.5) + 3 = 5 + 3 = 8, 2(3) + 3 = 6 + 3 = 9, the numbers below it won't make it true.

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