In this video I will show you how to evaluate the tangent of -75 degrees. We will do this by breaking up negative 75 degrees ...

When I was a new teacher, I wanted my students to see math not just as numbers and equations but as a tool to understand the world around them. My goal wasn’t for them to simply memorize formulas to ...

In this video, I will show you how to evaluate an angle in degrees using the sum formula of cosine. We will need to use the ...