Sum and Difference Formulas Evaluate
4:38
MSNBrian McLogan
Sum and Difference Formulas Evaluate
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 evaluate. 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 ...
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