cos2θ+2cosθ is always?
A. Greater than −3/2
B. Less than or equal to 3/2
C. Greater than or equal to −3/2 and less than or equal to 3
D. None of the above

Question

cos2θ+2cosθ is always? A. Greater than −3/2 B. Less than or equal to 3/2 C. Greater than or equal to −3/2 and less than or equal to 3 D. None of the above

Pawan Prajapati · Answer

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cos2θ+2cosθ is always? A. Greater than −3/2 B. Less than or equal to 3/2 C. Greater than or equal to −3/2 and less than or equal to 3 D. None of the above

cos2θ+2cosθ is always?
A. Greater than −3/2
B. Less than or equal to 3/2
C. Greater than or equal to −3/2 and less than or equal to 3
D. None of the above

1 Answers

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cos2θ+2cosθ is always? A. Greater than −3/2 B. Less than or equal to 3/2 C. Greater than or equal to −3/2 and less than or equal to 3 D. None of the above

cos2θ+2cosθ is always? A. Greater than −3/2 B. Less than or equal to 3/2 C. Greater than or equal to −3/2 and less than or equal to 3 D. None of the above

1 Answers

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cos2θ+2cosθ is always?
A. Greater than −3/2
B. Less than or equal to 3/2
C. Greater than or equal to −3/2 and less than or equal to 3
D. None of the above