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kiasiab17
30.03.2020 •
Mathematics
Y=x² - 10x - 3
What is the equation of the axis of symmetry?
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Ответ:
To solve the problem we must know the concept of trigonometric functions. The length of the ladder is 23.1822 ft.
What are the basic Trigonometric functions?The basic trignometric fuctions are,
where perpendicular is the side of the triangle which is opposite to the angle, and the hypotenuse is the longest side of the triangle which is opposite to the 90° angle.
Given to us
The angle made by the ladder with the ground, θ = 75°
The foot of the ladder is 6 feet from the base of the wall.
As we know that the length between the ladder is 6 feet from the base of the wall, therefore, it is the base of the triangle, while the ladder makes 75° with the ground.
Substitute the values of the trigonometric function of Cos,
Hence, the length of the ladder is 23.1822 ft.
Learn more about Trigonometric functions:
link