3 years ago

If cos Theta < 0, which quadrent(s) could the terminal side of Theta lie?

Mathematics

1 answer:

Korolek [52]3 years ago

4 0

If cosΦ is lesser than zero (negative) it must be in quadrant 2 or 3 because cos is always positive in quadrants 1,4.

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defon

Answer:

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Step-by-step explanation:

we know that

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