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The question shown asks to find the value of \( \cos(19^\circ) \) and round the answer to four decimal places.

Let me calculate it for you.

\[
\cos(19^\circ) \approx 0.9455
\]

Thus, the value of \( \cos(19^\circ) \), rounded to four decimal places, is **0.9455**.

Would you like more details on how cosine works or have any further questions?

Here are some related questions for you:
1. What is the cosine of other common angles, like \(30^\circ\) or \(45^\circ\)?
2. How does the unit circle help in understanding trigonometric functions?
3. How do sine and cosine values relate to right-angle triangles?
4. What is the difference between degrees and radians in trigonometry?
5. How do trigonometric identities like \( \cos^2\theta + \sin^2\theta = 1 \) work?

**Tip:** In many calculators, make sure it's set to degrees (not radians) when computing trigonometric values in degrees!

Use a calculator to find the value of cos(19°). Round your answer to four places past the decimal point.

Learn how to calculate the cosine of 19 degrees using a calculator, and round the result to four decimal places. This trigonometry problem covers the cosine function in degrees. Suitable for high school students.

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