If p and q are both true, then which of the following statements has the same truth-value as "p - ? ~q-p
~р^~q
~PV~q
p^~q

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since the cosine is the ratio of the adjacent side to the hypotenuse, you can see that cos 60° = ½. answer. according to the property of cofunctions (topic 3), sin 30° is equal to cos 60°. sin 30° = ½.