Brian McLogan
Learn to evaluate for the secant of an angle without using a triangle
👉 Learn how to evaluate trigonometric functions of a given angle. Given an angle greater than 2pi in radians, to evaluate the trigonometric functions of the given angle, we first determine the smallest positive coterminal angle of the...
Brian McLogan
Learn How to Graph a Negative Angle in Standard Form
👉 Learn how to sketch angles in terms of pi. An angle is the figure formed by two rays sharing the same endpoint. Angle is measured in radians or in degrees. One complete revolution about a point is equivalent to 2pi radians and 360...
Brian McLogan
Graph a negative angle in terms of pi
👉 Learn how to sketch angles in terms of pi. An angle is the figure formed by two rays sharing the same endpoint. Angle is measured in radians or in degrees. One complete revolution about a point is equivalent to 2pi radians and 360...
Brian McLogan
Pre Calc unit 3 How to use sine to find the missing side of a triangle
Pre Calc unit 3 How to use sine to find the missing side of a triangle
Brian McLogan
How to Graph a Radian in Terms of PI
👉 Learn how to sketch angles in terms of pi. An angle is the figure formed by two rays sharing the same endpoint. Angle is measured in radians or in degrees. One complete revolution about a point is equivalent to 2pi radians and 360...
Brian McLogan
How To Graph a Radian in Terms of pi
👉 Learn how to sketch angles in terms of pi. An angle is the figure formed by two rays sharing the same endpoint. Angle is measured in radians or in degrees. One complete revolution about a point is equivalent to 2pi radians and 360...
Brian McLogan
Graphing a radian in terms of pi in standard form
👉 Learn how to sketch angles in terms of pi. An angle is the figure formed by two rays sharing the same endpoint. Angle is measured in radians or in degrees. One complete revolution about a point is equivalent to 2pi radians and 360...
Brian McLogan
What is the radian measure of an angle
👉 Learn about angles in trigonometry. An angle is the figure formed by two rays sharing the same endpoint. The two rays are called the sides of the angle while the common endpoint of the two rays is called the vertex of the angle. Angle...
Brian McLogan
What is a central angle?
👉 Learn about angles in trigonometry. An angle is the figure formed by two rays sharing the same endpoint. The two rays are called the sides of the angle while the common endpoint of the two rays is called the vertex of the angle. Angle...
Brian McLogan
What is the measure of one radian
👉 Learn about angles in trigonometry. An angle is the figure formed by two rays sharing the same endpoint. The two rays are called the sides of the angle while the common endpoint of the two rays is called the vertex of the angle. Angle...
Brian McLogan
Convert an angle from degrees minutes and seconds to radian form
👉 Learn how to convert angles from DMS forms to decimal forms. DMS means Degree, Minutes, and Seconds. Minutes is represented by a single apostrophe (') while seconds is represented with double apostrophe ("). 60 seconds = 1 minute and...
Brian McLogan
What is a a degree
👉 Learn about angles in trigonometry. An angle is the figure formed by two rays sharing the same endpoint. The two rays are called the sides of the angle while the common endpoint of the two rays is called the vertex of the angle. Angle...
Brian McLogan
What are complementary and supplementary angles
👉 Learn about angles in trigonometry. An angle is the figure formed by two rays sharing the same endpoint. The two rays are called the sides of the angle while the common endpoint of the two rays is called the vertex of the angle. Angle...
Brian McLogan
Determining where a point is on the unit circle
👉 Learn how to find the point on the unit circle given the angle of the point. A unit circle is a circle whose radius is 1. Given an angle in radians, to find the coordinate of points on the unit circle made by the given angle with the...
Brian McLogan
What is an angle in standard form?
👉 Learn about angles in trigonometry. An angle is the figure formed by two rays sharing the same endpoint. The two rays are called the sides of the angle while the common endpoint of the two rays is called the vertex of the angle. Angle...
Brian McLogan
Learn how to find the missing side lengths of a 30 60 90 triangle
👉 Learn about the special right triangles. A special right triangle is a right triangle having angles of 30, 60, 90, or 45, 45, 90. Knowledge of the ratio of the length of sides of a special right triangle enables us to solve for any...
Professor Dave Explains
Introduction to Trigonometry: Angles and Radians
An introduction to trigonometry.
Getty Images
Woman's hands putting spaghetti in the boiling water
Woman's hands putting spaghetti in the boiling water
Khan Academy
Khan Academy: Trigonometry: Radians and Degrees
Video defining radians. Examples shown for converting radians to degrees and vice versa. [9:55]
Sophia Learning
Sophia: Relating Radians and Degrees: Lesson 2
This lesson demonstrates conversion between radians and degrees. It is 2 of 10 in the series titled "Relating Radians and Degrees."
Crash Course
Crash Course Physics #11: Rotational Motion
Did you know that, at a certain point on a moving wheel, there's no motion? I mean, kind of, it's all relative, right? Prepare to have your mind blown in this video episode of Crash Course Physics where Shini delves into the world of...
Khan Academy
Khan Academy: Algebra Ii: Radians: Introduction to Radians
Understanding the definition and motivation for radians and the relationship between radians and degrees. [10:51]
Sophia Learning
Sophia: Rotational & Tangential Speed
In this two-part lesson, learn the difference between the rotational and tangential speed of an object. [11:12]
Khan Academy
Khan Academy: Radians: Converting Degrees to Radians
Worked example to help understand how we covert degrees to radians.