Brian McLogan
Master evaluate the six trigonometric functions using the unit circle
Master evaluate the six trigonometric functions using the unit circle
Brian McLogan
Master Evaluate the six trigonometric functions using the unit circle
Master Evaluate the six trigonometric functions using the unit circle
Brian McLogan
Solve a trigonometric equations with secant and tangent
👉 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...
Brian McLogan
Learn how to evaluate an expression given the composition of two trig expressions
👉 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
Given a trig equation, create a triangle to evaluate six trigonometric functions
👉 Learn how to evaluate the six trigonometric functions given the value of one of the trigonometric functions. When given the value of one of the trigonometric functions of an angle, we can evaluate the values of the other trigonometric...
Brian McLogan
Evaluate the expression for composition of cosine and arctan
👉 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
Evaluate for theta between 0 and 2pi
👉 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...
Brian McLogan
Evaluate for theta between 0 and 2pi
👉 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...
Brian McLogan
Determine Theta when Given the Value of Cotangent, Cotθ=Coot(3)/3
👉 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...
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
Graphing Cotangent with a Phase Shift
👉 Learn how to graph a cotangent function. To graph a cotangent function, we first determine the period (the distance/time for a complete oscillation), the phase shift (the horizontal shift from the parent function), the vertical shift...
Brian McLogan
Solving an equation with multi angles
👉 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...
Brian McLogan
Pre-Calculus - Find the Double Angle of Tangent When Given a Triangle with Restrictions
👉 Learn how to evaluate the double angle of sine. The value of the sine of double a given angle can be obtained given the value of the sine of the angle. The value of the sine of double a given angle is obtained using the formula sin(2u)...
Brian McLogan
Simplify the trig expression by Multiplying by the reciprocal function
👉 Learn how to verify trigonometric identities having rational expressions. To verify trigonometric expression means to verify that the terms on the left-hand side of the equality sign is equal to the terms on the right-hand side. To...
Brian McLogan
Pre-Calculus - How to Evaluate the Double Angle for Tangent Using a Triangle
👉 Learn how to evaluate the double angle of sine. The value of the sine of double a given angle can be obtained given the value of the sine of the angle. The value of the sine of double a given angle is obtained using the formula sin(2u)...
Brian McLogan
Evaluate the half angle of tangent from a triangle
👉 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...
Brian McLogan
Master determining the missing sides of a triangle using trig functions
Master determining the missing sides of a triangle using trig functions
Brian McLogan
Master Evaluating Tangent using the Sum and Difference Formula
Master Evaluating Tangent using the Sum and Difference Formula
Brian McLogan
Pre-Calculus - Simplify expressions using fundamental identities, cosβ . tanβ
In this video series I show you how to simplify trigonometric expressions by using identities. Trigonometric identities help us transform expressions so that we can simplify an expression to a singular term. We will apply reciprocal,...
Brian McLogan
Master evaluating the six trig functions when given a point on the unit circle
Master evaluating the six trig functions when given a point on the unit circle
Brian McLogan
Pre-Calculus - Simplify expressions using fundamental identities, cot(pi/2 - x) . cosx
In this video series I show you how to simplify trigonometric expressions by using identities. Trigonometric identities help us transform expressions so that we can simplify an expression to a singular term. We will apply reciprocal,...
Curated Video
Circle Geometry: Circles with Tangents and Inscribed Angles
This video shows the process for solving the problem presented in IGCSE A June 2018 paper 2HR Q12, which involves angles of a circle. Students will understand the properties of tangents and inscribed angles in a circle. They will derive...
Brian McLogan
How to evaluate the six trig functions when given a constraint and value
👉 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...