Using relations in a right triangle, it is found that:
cos(A) = 3/5 = 0.6.
What are the relations in a right triangle?
The relations in a right triangle are given as follows:
- The sine of an angle is given by the length of the opposite side to the angle divided by the length of the hypotenuse.
- The cosine of an angle is given by the length of the adjacent side to the angle divided by the length of the hypotenuse.
- The tangent of an angle is given by the length of the opposite side to the angle divided by the length of the adjacent side to the angle.
In this triangle:
- The adjacent side to A has length 30.
- The hypotenuse has length 50.
Hence:
cos(A) = 30/50 = 3/5 = 0.6.
More can be learned about relations in a right triangle at https://brainly.com/question/26396675
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