Instructional Video2:11
Brian McLogan

Learn how to find the composition of cosine and sine inverse

12th - Higher Ed
👉 Learn how to evaluate an expression with the composition of a function and a function inverse. Just like every other mathematical operation, when given a composition of a trigonometric function and an inverse trigonometric function,...
Instructional Video1:24
Brian McLogan

How to graph radians in standard form

12th - Higher Ed
👉 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...
Instructional Video4:04
Brian McLogan

Evaluate for the trig identity Sine

12th - Higher Ed
👉 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...
Instructional Video17:21
Brian McLogan

4g Example 1

12th - Higher Ed
4g Example 1
Instructional Video16:26
Brian McLogan

4g Example 2 (Evaluate the Composition of Inverse Trig Functions)

12th - Higher Ed
4g Example 2 (Evaluate the Composition of Inverse Trig Functions)
Instructional Video1:28
Brian McLogan

How to graph negative angles in radians

12th - Higher Ed
👉 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...
Instructional Video6:06
Brian McLogan

Why do we add intervals of pi halves to our solution

12th - Higher Ed
👉 Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric equations, they include factoring out the GCF and simplifying the factored equation. Another method is to use a...
Instructional Video2:02
Brian McLogan

How to evaluate the half angle of tangent in radians

12th - Higher Ed
👉 Learn how to evaluate the Sine of an angle using the half-angle formula. The half-angle formula for Sine is helpful when you need to determine the exact value of function given an angle but cannot use a calculator or the angle is not...
Instructional Video1:50
Brian McLogan

Solving a trigonometric equation with cosine equal to negative one

12th - Higher Ed
👉 Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric identities, they include by factoring out the GCF and simplifying the factored equation. Another method is to use a...
Instructional Video4:44
Brian McLogan

Find all the solutions to a trig equation with two different functions

12th - Higher Ed
👉 Learn how to solve trigonometric equations using the zero product property. The zero product property states that when the product of two quantities is equal to 0, then either of the quantities is zero. When solving factored...
Instructional Video3:46
Brian McLogan

Master how to sketch an angle and determine which axis it lies on

12th - Higher Ed
Master how to sketch an angle and determine which axis it lies on
Instructional Video2:07
Curated Video

Expressing Rational Numbers as Repeating Decimals (Part 2 )

K - 12th
Express rational numbers as repeating decimals.
Instructional Video28:29
Brian McLogan

4f Warm up

12th - Higher Ed
4f Warm up
Instructional Video2:14
Brian McLogan

Using period as an aide to evaluate for cosine

12th - Higher Ed
👉 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...
Instructional Video1:30
Brian McLogan

Graph a angle in radians on the y axis

12th - Higher Ed
👉 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...
Instructional Video4:25
Brian McLogan

Evaluate your point using period as an aide - free math help

12th - Higher Ed
👉 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...
Instructional Video18:12
Brian McLogan

4f Example 1 Part 3 (How to graph the Cotangent Function)

12th - Higher Ed
4f Example 1 Part 3 (How to graph the Cotangent Function)
Instructional Video1:30
Brian McLogan

Evaluate for tangent when given an angle in radians - Cool Math

12th - Higher Ed
👉 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...
Instructional Video4:05
Brian McLogan

How to evaluate the half angle for cosine using a triangle

12th - Higher Ed
👉 Learn how to evaluate the tangent of a half-angle. When given the value of the tangent of an angle, we can evaluate the tangent of half the angle using the tangent half-angle formula. When the value of any other trigonometric function...
Instructional Video16:21
Brian McLogan

Master Solving Trigonometric equations with multi angles between 0 and 2pi

12th - Higher Ed
Master Solving Trigonometric equations with multi angles between 0 and 2pi
Instructional Video2:56
Curated Video

Irrational Numbers

3rd - 5th
Introduce irrational numbers.
Instructional Video1:21
Brian McLogan

Learn How to Graph a Negative Angle in Terms of 6ths

12th - Higher Ed
👉 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...
Instructional Video2:44
Brian McLogan

Sketch the given angle in standard position and determine the quadrant

12th - Higher Ed
👉 Learn how to determine the quadrant of an angle given in radians. Recall that 1 radian is the distance on the circumference of the circle that is equivalent to the radius of the circle. Also, recall that the circumference of a circle...
Instructional Video3:06
Brian McLogan

Master evaluating trigonometric function using even odd identities

12th - Higher Ed
Master evaluating trigonometric function using even odd identities