If angle measures , what is the measure of angle ?
Table of contents
- 0. Review of College Algebra4h 43m
- 1. Measuring Angles40m
- 2. Trigonometric Functions on Right Triangles2h 5m
- 3. Unit Circle1h 19m
- 4. Graphing Trigonometric Functions1h 19m
- 5. Inverse Trigonometric Functions and Basic Trigonometric Equations1h 41m
- 6. Trigonometric Identities and More Equations2h 34m
- 7. Non-Right Triangles1h 38m
- 8. Vectors2h 25m
- 9. Polar Equations2h 5m
- 10. Parametric Equations1h 6m
- 11. Graphing Complex Numbers1h 7m
1. Measuring Angles
Angles in Standard Position
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
If an angle in standard position has its terminal side passing through the point on the coordinate plane, what is the measure of angle to the nearest degree?
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Verified step by step guidance1
Identify the coordinates of the point through which the terminal side of angle \(s\) passes. Here, the point is \((3, 4)\).
Recall that the angle \(s\) in standard position is measured from the positive x-axis to the terminal side. To find \(s\), we can use the tangent function, which relates the y-coordinate and x-coordinate of the point: \(\tan(s) = \frac{y}{x}\).
Substitute the coordinates into the tangent formula: \(\tan(s) = \frac{4}{3}\).
To find the angle \(s\), take the inverse tangent (arctangent) of \(\frac{4}{3}\): \(s = \arctan\left(\frac{4}{3}\right)\).
Use a calculator to find the angle in degrees from the arctangent value, and round to the nearest degree to get the measure of angle \(s\).
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