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Solve cos x + rad 2 = -cos x for over the interval [0, 2pi ]
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Solve cos x + rad 2 = -cos x for over the interval [0, 2pi ]
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Sep 22, 2018
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Solve cos x + rad 2 = -cos x for over the interval [0, 2pi ]
Mathematics
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Tyler Rash
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Tyler Rash
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Answer:
Option C is the answer
Explanation:
Kostyantyn Ivanov
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Sep 23, 2018
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Kostyantyn Ivanov
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The cosine function is negative in 2nd and 3rd quadrants, So you know that you will have 2 solutions. One between pi/2 and pi, the other between pi and 3pi/2.
Refer to a unit circle to find that
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Bharat
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Sep 29, 2018
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Bharat
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