1st picture = question 2nd picture (multiple choice) = answers

Change the fractions so that the denominators are the same. This requires you to find the least common multiple of 2 and 6:

Multiples of 2: {2,4,6}
Multiples of 6: {6}

The least common multiple is 6. Convert the fraction with 2 as a denominator by multiplying it by the multiple that makes it 6:







Add 7 5/6 to both sides, and simplify the results.



The answer is 14 1/3.

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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.

The answer is b: step 2.