Instructional Video1:59
Brian McLogan

Convert a linear equation to polar equation

12th - Higher Ed
Convert a linear equation to polar equation
Instructional Video7:05
Brian McLogan

Understand where the reciprocal and Quotient Identities come from

12th - Higher Ed
👉 Learn all about the different trigonometric identities and how they can be used to evaluate, verify, simplify and solve trigonometric equations. The identities discussed in this playlist will involve the quotient, reciprocal,...
Instructional Video7:14
Brian McLogan

Understand where the cofunction identities come from

12th - Higher Ed
👉 Learn all about the different trigonometric identities and how they can be used to evaluate, verify, simplify and solve trigonometric equations. The identities discussed in this playlist will involve the quotient, reciprocal,...
Instructional Video9:40
Brian McLogan

Learn to solve for all the solutions with multi angle

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 Video3:46
Brian McLogan

Use cofunction identities and trig identities to find the indicated trig functions

12th - Higher Ed
👉 Learn how to simplify basic trigonometric identities. To simplify basic trigonometric identities, it is usually more useful to convert all trigonometric functions to sine and cosine functions and then simplify. We will also explore the...
Instructional Video1:53
Brian McLogan

Verifying an identity by multiplying two expressions

12th - Higher Ed
👉 Learn how to verify trigonometric identities by expanding the trigonometric expressions. When the given trigonometric expressions involve multiplications with more than one term in parenthesis, we start by expanding the expressions...
Instructional Video1:47
Brian McLogan

Use cofunction identities and trig identities to find the indicated trig functions

12th - Higher Ed
👉 Learn how to simplify basic trigonometric identities. To simplify basic trigonometric identities, it is usually more useful to convert all trigonometric functions to sine and cosine functions and then simplify. We will also explore the...
Instructional Video3:07
Brian McLogan

Learn how to add two rational trigonometric expressions

12th - Higher Ed
👉 Learn how to simplify rational identities involving addition and subtraction. To simplify rational identities involving addition and subtraction, first, we find the LCM of the denominators which most time is the product of the terms in...
Instructional Video1:37
Brian McLogan

how to verify a trigonometric identity with sum formula of two angles

12th - Higher Ed
👉 Learn how to verify the sum and difference of two angles trigonometric identities using the sum/difference formulas. To verify an identity means to ascertain that the left-hand side is equal to the right-hand side of the equality sign....
Instructional Video2:53
Brian McLogan

How to solve a trigonometric equation using cofunction identities

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 Video1:22
Brian McLogan

How to evaluate the half angle of sine when given 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 Video2:45
Brian McLogan

How to add and simplify two trigonometric expressions

12th - Higher Ed
👉 Learn how to simplify rational identities involving addition and subtraction. To simplify rational identities involving addition and subtraction, first, we find the LCM of the denominators which most time is the product of the terms in...
Instructional Video3:09
Brian McLogan

Adding fractions with trig expressions

12th - Higher Ed
👉 Learn how to simplify rational identities involving addition and subtraction. To simplify rational identities involving addition and subtraction, first, we find the LCM of the denominators which most time is the product of the terms in...
Instructional Video1:56
Brian McLogan

Evaluate the double angle of tangent using a triangle

12th - Higher Ed
👉 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)...
Instructional Video5:12
Brian McLogan

Evaluate the six trig functions given cosine ratio using a triangle

12th - Higher Ed
👉 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...
Instructional Video14:03
Brian McLogan

Sketch the cosecant graph from scratch

12th - Higher Ed
Sketch the cosecant graph from scratch
Instructional Video6:57
Brian McLogan

Simplify Trig Complex Fractions

12th - Higher Ed
Simplify Trig Complex Fractions
Instructional Video6:03
Brian McLogan

Learn how to evaluate for sine using coterminal and reference angles

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 Video2:06
Brian McLogan

Using composition of inverses using triangles

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 Video3:12
Brian McLogan

Review how to evaluate trig functions when given a triangle

12th - Higher Ed
👉 Learn how to evaluate the six trigonometric functions given a right triangle. A right triangle is a triangle with 90 degrees as one of its angles. A right triangle is made up of two legs, which formed the sides of the 90 degrees angle...
Instructional Video4:14
Brian McLogan

Learn how to evalute the six trig functions given a trig ratio

12th - Higher Ed
👉 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...
Instructional Video3:34
Brian McLogan

Evaluate for Theta Between 0 and 2pi

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 Video3:32
Brian McLogan

Solve Double Angle of Sine with the formula

12th - Higher Ed
Solve Double Angle of Sine with the formula
Instructional Video4:29
Brian McLogan

Learn how to find the sine of 5 pi over 4 without a calculator

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...