In this video, I show you how to set up a word problem and solve it using the trigonometric ratio. In this case, we will find ...

Trigonometric identities are powerful tools for simplifying complex equations in math and science. Three core groups—reciprocal, quotient, and Pythagorean—form the foundation. Effective strategies ...

In this video we will cover how to apply the dot product to determine the angle between two vectors, to determine if the vectors are parallel or orthogonal, and lastly find the resultant vector of a ...

iOS/Android/Desktop: Default calculator apps suck. They work like a traditional handheld calculator, which only displays one value at a time and can only do basic math. If you want to do anything more ...

While many high schoolers will run from the challenge of trigonometry, there’s at least three students at Sandpoint High ...