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catman7884
30.07.2020 •
Mathematics
What is the measure of angle CED? There are two triangles labeled ABC and DCE with a common vertex C. In triangle ABC, angle BAC is labeled as p, and angle ABC is labeled as 70 degrees. In triangle DCE, angle CDE is labeled as 70 degrees. p over 2, because Triangle ABC is congruent to triangle DCE p + 70 degrees, because Triangle ABC is similar to triangle DCE 110 degrees − p, because Triangle ABC is congruent to triangle DCE p, because Triangle ABC is similar to triangle EDC
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Ответ:
The answer to your question is cos Ф = 3 / 5
Step-by-step explanation:
Data
hypotenuse = 5
Adjacent side = 3
Opposite side = 4
Process
1.- Remember the trigonometric function cosine
cosine Ф = Adjacent side / hypotenuse
2.- Substitution
cos Ф = 3 / 5
3.- Conclusion
The cosine of Ф is 3/5