Question: Determine whether the positive or negative square root should be selected. cosine 98.0 degrees equals plus or minus StartRoot StartFraction 1 plus cosine 196 degrees

Determine whether the positive or negative square root should be selected. cosine 98.0 degrees equals plus or minus StartRoot StartFraction 1 plus cosine 196 degrees Over 2 EndFraction EndRoot Question content area bottom Part 1 Since 98.0 degrees lies in quadrant I, III, IV, II, the positive negative square root should be selected

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