Use the product rules to complete these statements. if you multiply six positive numbers, the product’s sign will be . if you multiply six negative numbers, the product’s sign will be .

If you multiply six positive numbers the sign would be positive and if you multiply six negative numbers the sign would be positive too.

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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.