Given that angle is in standard position and its terminal side passes through the point , which is the best approximation for the measure of angle in degrees?
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
Given that angle is in standard position and its terminal side passes through the point , what is the measure of angle to the nearest tenth of a degree?
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Verified step by step guidance1
Identify the coordinates of the point through which the terminal side of the angle passes. Here, the point is (2, 3).
Recall that the angle in standard position is measured from the positive x-axis to the terminal side. To find this angle, we can use the tangent function, which relates the y-coordinate and x-coordinate of the point: \(\tan(\theta) = \frac{y}{x}\).
Calculate the ratio \(\frac{y}{x}\) using the coordinates: \(\frac{3}{2}\).
Use the inverse tangent function to find the angle \(\theta\): \(\theta = \tan^{-1}\left(\frac{3}{2}\right)\).
Convert the angle from radians to degrees if necessary, and round the result to the nearest tenth of a degree to get the measure of the angle.
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