SOLUTION: Show the steps on how to prove of the following identity: tan (a + B) = tan a + tan B/ 1- tan a tan B

SOLUTION: Show the steps on how to prove of the following identity: tan (a + B) = tan a + tan B/ 1- tan a tan B

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Question 951509: Show the steps on how to prove of the following identity:
tan (a + B) = tan a + tan B/ 1- tan a tan B
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
Show the steps on how to prove of the following identity:
tan (a + B) = tan a + tan B/ 1- tan a tan B
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divide each term by cosacosb
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