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

1.	Tan a + tan b + tan a into tan b is equals to how much I want the formula
Answer» <html><body><p><strong>Step-by-step <a href="https://interviewquestions.tuteehub.com/tag/explanation-455162" style="font-weight:bold;" target="_blank" title="Click to know more about EXPLANATION">EXPLANATION</a>:</strong></p><p>First, you need to write this expression <a href="https://interviewquestions.tuteehub.com/tag/correctly-409968" style="font-weight:bold;" target="_blank" title="Click to know more about CORRECTLY">CORRECTLY</a>, tan(a+b) = (tan a + tan b)/(1 - tan a* tan b) We'll <a href="https://interviewquestions.tuteehub.com/tag/prove-593004" style="font-weight:bold;" target="_blank" title="Click to know more about PROVE">PROVE</a> this ... We will prove tanA + tanB using equation tan(a+b). ... <a href="https://interviewquestions.tuteehub.com/tag/tanc-1238949" style="font-weight:bold;" target="_blank" title="Click to know more about TANC">TANC</a>) equals how much?</p></body></html>

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