Brian McLogan
How to determine the point on the unit circle given an angle
👉 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
Solve trigonometric equation with sine and tangent
👉 Learn how to solve trigonometric equations by factoring out the GCF. When solving trigonometric equations involving the multiples of the same trigonometric function. It is very useful to collect similar trigonometric functions together...
Curated Video
Measuring Angles Using Fractions of a Circle
This video lesson teaches students how to measure angles using fractions of a circle. It explains the concept of angles and right angles, and demonstrates how to use a sprinkler on a field to visualize and calculate angle measurements....
Brian McLogan
Find the point on the unit circle given an angle
👉 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
Learn how to show that a line is tangent to a circle by applying the quadratic formula
Learn how to solve problems with tangent line. A tangent line to a circle is a line that touches the circle at exactly one point. The tangent line to a circle makes a right angle with the radius of the circle at the point of its...
Curated Video
Identifying Angles: Comparing to Square Angles
In this video, the teacher explains how to identify different types of angles by comparing them to square angles. The lesson covers acute angles, obtuse angles, right angles, and straight angles, providing examples and visuals to help...
Brian McLogan
Using triangles to evaluate for compositions of inverse functions
👉 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,...
Brian McLogan
Evaluating the difference of two angles for the cosine function
👉 Learn how to evaluate the secant of the sum or difference of two angles using the sum/difference formulas. To do this, we first use the Pythagoras theorem to obtain all the sides of the right triangle in the unit circle. Recall that...
Curated Video
Understand the Relationship Between Exterior Angles
This video lesson explains the concept of exterior angles in triangles and how they are related to the interior angles. It demonstrates how to find the measures of exterior angles using the sum of interior angles. It also applies this...
Cerebellum
Geometry, Perimeter and Area
This video covers exam strategy, Geometry, Perimeter, Area, Angles, Circles. This is part 14 from the series 'Introduction to the Math Section of the SAT'.
Brian McLogan
Review of how to set up a point to evaluate six trigonometric functions
👉 Learn all about evaluating trigonometric functions with triangles. In this playlist, we will learn how to evaluate, sine, cosine, tangent, cotangent, secant, and cosecant when given the sides of a triangle. If we have missing sides we...
Brian McLogan
Tutorial for evaluating the six trig functions given a coordinate point
👉 Learn all about evaluating trigonometric functions with triangles. In this playlist, we will learn how to evaluate, sine, cosine, tangent, cotangent, secant, and cosecant when given the sides of a triangle. If we have missing sides we...
Curated Video
Applying Angles of Elevation and Depression
In this video lesson, students learn how to use right triangles and angles of elevation and depression to find the height of a space shuttle on a launch pad. The lesson explains the concept of mathematical modeling and guides students...
Virtually Passed
Curvilinear motion example 2
What is the magnitude of the acceleration of a ball traveling around a circular path if it's constrained to have a constant vertical velocity? Always start these problems by doing a velocity analysis, then finish it by doing an...
Catalyst University
Anatomy and Functions of the Quadriceps Femorii and Hamstrings
In this video, we discuss the antagonistic muscle groups controlling flexion and extension of the knee, respectively: hamstrings and quadriceps. Also, we name each muscles' origin, insertion, action, and exercises/movements that involve...
Math Fortress
Calculus III: The Cross Product (Level 9 of 9)
This video goes over 3 torque examples. This video also ends the cross product series.
Virtually Passed
Relative motion problem
For the graphical method: 1) Draw Geometry 2) Analyse the component of the system you know the most about using Va/b = Va - Vb 3) Analyse all the components (keeping track of both magnitudes and directions of vectors) 4) When you've got...
Curated Video
Finding Missing Measures in Triangles
In this video, the teacher explains how to find missing measures in triangles using congruence and similarity criteria. They cover different congruence criteria, such as side-side-side and angle-side-angle, as well as similarity criteria...
Curated Video
Using the Cosine Ratio in Right Triangles
In this video, the teacher explains how to use the cosine ratio to find the length of a ladder needed to climb to a roof at a specific angle. By comparing the ratios of the side adjacent to the angle and the hypotenuse in a right...
Brian McLogan
Given two triangles determine the difference of the two angles using cosine
👉 Learn how to evaluate the secant of the sum or difference of two angles using the sum/difference formulas. To do this, we first use the Pythagoras theorem to obtain all the sides of the right triangle in the unit circle. Recall that...
Brian McLogan
What is component form of a vector
In this video playlist I show you how to solve different math problems for Algebra, Geometry, Algebra 2 and Pre-Calculus. The video will provide you with math help using step by step instruction. Math help tutorials is just what you need...
Brian McLogan
Find the point where their exist a horizontal tangent line
👉 Learn how to find the point of the horizontal tangent of a curve. A tangent to a curve is a line that touches a point in the outline of the curve. When given a curve described by the function y = f(x). The value of x for which the...
Curated Video
Estimating Angle Measurements Using Visual Clues
In this video, the teacher explains how to estimate the measure of angles using visual clues and benchmark angles. They give examples of estimating the angle of a plane's takeoff, the opening angle of a door, and the angle formed by bike...