👉 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...

👉 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...

👉 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...

Master Simplifying trigonometric expressions using Basic identities

Master Solving a trigonometric equation using the sum and difference formulas

Simplify 24 Trigonometric Expressions With Identities

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

Master graphing tangent and cotangent with a change in period

Master Graphing tangent and cotangent with a vertical translation

When we are learning how to use trigonometric identities one of the first things we practice is simplifying basic identities. In this video I will work through some basic identities that you will want o know to make sure you have a...

Master evaluating the six trig functions when given an equation to draw a triangle

👉 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,...

In this video series I show you how to use even and odd functions to evaluate trigonometric functions. Cosine and secant are our even functions where sine, tangent, cosecant and cotangent are our odd functions. cos(t) = 3/4. Find cos(-t)

Simplifying Trigonometric Expressions can be difficult. But do you know what also makes it difficult? Fractions! In this video we will work through 8 different examples helping you Simplify your identities

This video continues the exploration of a three dimensional cartesian coordinate system.This video covers three intermediate examples that requires the use of the equation of a sphere. Two examples illustrate how to find the center and...

How to evaluate integrals with trigonometric functions.

👉 Learn how to find a missing side length of a right triangle. A right triangle is a triangle that has 90 degrees as one of its angles. The trigonometric identities of right triangles give us the relationship between the angles of a...

👉 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...

👉 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...

Solve Trigonometric Equation with Tangent as a half angle

👉 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...

👉 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...

👉 Learn how to graph a cosine function. To graph a cosine function, we first determine the amplitude (the maximum point on the graph), the period (the distance/time for a complete oscillation), the phase shift (the horizontal shift from...

👉 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...