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des264
04.02.2021 •
Mathematics
The mathematician Augustus De Morgan lived in the nineteenth century. He once made the
following statement: "I was x years old in the year x^2." In what year was De Morgan born?
i need this answered asap
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Ответ:
a = 5.07
Step-by-step explanation:
Here, we want to get the value of the side marked a
What we have is a right triangle
so, to find the value of a, we are to use the correct trigonometric ratio
The angle given faces a, which makes a the opposite
the side measure faces the right angle and that makes it the hypotenuse
The trigonometric ratio that connects the two is the sine
The sine is the ratio of the opposite to the hypotenuse
mathematically;
sine 25 = a/12
a = 12 * sine 25
a = 5.07