Question #6408301Single Choice
Algebra-2
Question

Find cos A:
Options
A
B
C
D
Answer & Analysis
Answer
A
Analysis
This diagram shows a right triangle where the right angle is at point B. The length of the hypotenuse AC is 34, the length of the side AB adjacent to angle A is 16, and the length of the side CB opposite angle A is 30. In this triangle, angle A is the angle for which we need to find the cosine value.
In a right triangle, the cosine (cos) is defined as the ratio of the side adjacent to the angle to the hypotenuse. In this problem, for angle A, the side adjacent to the angle is AB with a length of 16, and the hypotenuse is AC with a length of 34.
Therefore, the cosine of angle C can be calculated as follows:
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