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kodGreya [7K]
3 years ago
6

Which is the best estimate of square root 47 to the nearest tenth?

Mathematics
1 answer:
antoniya [11.8K]3 years ago
3 0
B) 6.9
\sqrt{47} ≈ 6.9
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What is cos 28 degrees
Diano4ka-milaya [45]

The trigonometric function gives the ratio of different sides of a right-angle triangle. The value of cos(28°) is -0.9626.

<h3>What are Trigonometric functions?</h3>

The trigonometric function gives the ratio of different sides of a right-angle triangle.

\rm Sin \theta=\dfrac{Perpendicular}{Hypotenuse}\\\\\\Cos \theta=\dfrac{Base}{Hypotenuse}\\\\\\Tan \theta=\dfrac{Perpendicular}{Base}\\\\\\Cosec \theta=\dfrac{Hypotenuse}{Perpendicular}\\\\\\Sec \theta=\dfrac{Hypotenuse}{Base}\\\\\\Cot \theta=\dfrac{Base}{Perpendicular}\\\\\\

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.

The cosine is the ratio of the base of the triangle and the hypotenuse of the triangle. Therefore, The value of cos(28°) is -0.9626.

Learn more about Trigonometric functions:

brainly.com/question/6904750

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Answer:

The answer is B

Step-by-step explanation:

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good luck...

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