1.

Tan a + tan b + tan a into tan b is equals to how much I want the formula​

Answer»

Step-by-step EXPLANATION:

First, you need to write this expression CORRECTLY, tan(a+b) = (tan a + tan b)/(1 - tan a* tan b) We'll PROVE this ... We will prove tanA + tanB using equation tan(a+b). ... TANC) equals how much?



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