1. tan (x+x) 2. = tan(x) + tan (x)/1 - tan(x)tan(x) 3. = 2tan(x)/1-tan^2 (x)
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Finding the Lowest Common Denominator of: 
Here's to find out how it was our LCD:
To find the fraction on the right side we had to multiply (and somewhat divide to get the answer)
So, therefore the Lowest Common Denominator of this question would most likely be:
Good Luck!
Here's to find out how it was our LCD:
To find the fraction on the right side we had to multiply (and somewhat divide to get the answer)
So, therefore the Lowest Common Denominator of this question would most likely be:
Good Luck!