Mathematics, 05.11.2020 05:10 Shlabo

Which portion of the unit circle satisfies the trigonometric inequality cos^2theta +sin^20theta>=1? Assume that theta is the angle made by the positive x-axis and a ray from the origin. a. all of the unit circle
b. the top half of the unit circle
c. the right half of the unit circle
d. none of the unit circle is the angle made by the positive x-axis and a ray from the origin.

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