SOLUTION: Let be an angle measure and let the real numbers a, b, c, cosx be such that they make the following equation true: acos^2x+bcosx+c Write the equivalent quadratic equation for a, b,
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-> SOLUTION: Let be an angle measure and let the real numbers a, b, c, cosx be such that they make the following equation true: acos^2x+bcosx+c Write the equivalent quadratic equation for a, b,
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Question 1170609: Let be an angle measure and let the real numbers a, b, c, cosx be such that they make the following equation true: acos^2x+bcosx+c Write the equivalent quadratic equation for a, b, c, cosx Compare the given and the obtained equality for a=4,b=2,c=-1 Answer by ikleyn(52781) (Show Source):