Set A is the set of integers greater than 1 and less than 49 that are multiples of 3 Write the following sets and answer the following

what is the intersection of set A and set B?

is set A a subset of set B?

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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.