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 to 45 -120. We will then apply the difference formula for tangent and ...

I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those experiences to help students improve in math through practical applications and tips.

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When it comes to tasks other than number crunching, the human brain possesses many advantages over a digital computer. We can quickly recognize a face, even when seen from the side in bad lighting in ...

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