Instructional Video15:11
Brian McLogan

Master Solving a trigonometric equation using double angle formulas

12th - Higher Ed
Master Solving a trigonometric equation using double angle formulas
Instructional Video8:25
Brian McLogan

Master given an equation and constraint, evaluate the six trig functions

12th - Higher Ed
Master given an equation and constraint, evaluate the six trig functions
Instructional Video3:19
Brian McLogan

How to evaluate the half angle for sine 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 Video15:35
Brian McLogan

How to find the missing parts of two triangles using law of sines ambiguous case

12th - Higher Ed
👉 Learn how to determine if a given SSA triangle has 1, 2 or no possible triangles. Given two adjacent side lengths and an angle opposite one of them (SSA or ASS), then there are 3 possible cases: there can be 1 solution, 2 solutions,...
Instructional Video5:18
Brian McLogan

How to solve for the half angle of sine

12th - Higher Ed
👉 Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric equations, they include by factoring out the GCF and simplifying the factored equation. Another method is to use a...
Instructional Video2:32
Brian McLogan

Steps to composition of trig functions with x

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 Video3:48
Brian McLogan

How to evaluate for the composition of the tangent and cosine

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 Video3:40
Brian McLogan

How to apply constraints for trig problems

12th - Higher Ed
👉 Learn how to determine the quadrant given the constraint. The plane is divided into four equal parts called the quadrants with the region between the positive x-axis and the positive y-axis called the 1st quadrant having angles 0 to 90...
Instructional Video4:21
Brian McLogan

How do the constraints tell us which quadrant our angle should lie in

12th - Higher Ed
👉 Learn how to evaluate the six trigonometric functions given some constraints. When given the value of one trigonometric function, we can use a right triangle with one of its legs on the x-axis and the other leg, perpendicular to the...
Instructional Video4:39
Brian McLogan

Sum and Difference Formulas Evaluate

12th - Higher Ed
Sum and Difference Formulas Evaluate
Instructional Video1:15
Brian McLogan

Learn How the Find the Sine Inverse

12th - Higher Ed
👉 Learn how to evaluate the inverse of reciprocal trigonometric functions. Recall that the reciprocal trigonometric functions are given by the ratio of 1 and the corresponding trigonometric function. When an angle is unknown but the...
Instructional Video2:58
Brian McLogan

How to Find the Angle when Given the Value of Cosine

12th - Higher Ed
👉 Learn how to evaluate the inverse of reciprocal trigonometric functions. Recall that the reciprocal trigonometric functions are given by the ratio of 1 and the corresponding trigonometric function. When an angle is unknown but the...
Instructional Video2:57
Brian McLogan

How to evaluate for cos when given the value of sine with a right triangle

12th - Higher Ed
👉 Learn how to evaluate the six trigonometric functions given some constraints. When given the value of one trigonometric function, we can use a right triangle with one of its legs on the x-axis and the other leg, perpendicular to the...
Instructional Video2:35
Brian McLogan

Find the Values of Theta in Degrees and Radians in the First Quadrant

12th - Higher Ed
👉 Learn how to evaluate the inverse of reciprocal trigonometric functions. Recall that the reciprocal trigonometric functions are given by the ratio of 1 and the corresponding trigonometric function. When an angle is unknown but the...
Instructional Video2:22
Brian McLogan

Find the Values of Theta in Degrees and Radians in First Quadrant

12th - Higher Ed
👉 Learn how to evaluate the inverse of reciprocal trigonometric functions. Recall that the reciprocal trigonometric functions are given by the ratio of 1 and the corresponding trigonometric function. When an angle is unknown but the...
Instructional Video2:03
Brian McLogan

Find the Measure of Theta when Given the Value of Tangent

12th - Higher Ed
👉 Learn how to evaluate the inverse of reciprocal trigonometric functions. Recall that the reciprocal trigonometric functions are given by the ratio of 1 and the corresponding trigonometric function. When an angle is unknown but the...
Instructional Video1:21
Brian McLogan

Evaluate the expression for the composition of inverse sine and cosine

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 Video1:51
Brian McLogan

Determine the quadrant and sketch the triangle

12th - Higher Ed
Determine the quadrant and sketch the triangle
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 Video2:42
Brian McLogan

Learn how to evaluate for a negative angle using cosecant

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 Video3:59
Brian McLogan

How to determine the quadrant an angle is in when given in radians

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 Video1:16
Brian McLogan

Given an angle in degrees, determine the quadrant it lies in

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 Video1:00
Brian McLogan

Evaluating the cotangent function using the first quadrant of the unit circle

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 Video2:15
Brian McLogan

Evaluate Sine given an angle where the terminal side is on the y axis

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...