In this video I show you how to simplify trigonometric identities by adding fractions. I begin this lesson by reminding you how to add fractions with numbers and then move to trigonometric expressions ...

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 adding or subtracting fractions, you need to look at the denominator. If the denominator is the same, then you can just add or subtract the numerator. If the denominator is different, then you ...