emilyrocks618 emilyrocks618

09-05-2019
Mathematics

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For 180° < 0 < 360°, which of the primary trigonometric functions may have positive values?

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09-05-2019

Step-by-step explanation:

Look at the picture.

If 180° < θ < 360°, then θ is in QIII or QIV. Therefore:

In QIII positive values has tangent and cotangent.

In QIV, positive values has cosine.

Ver imagen gmany

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