Sinα+sinβ+sinγ-sin(α+β+γ) = 4 sin α+β/2 sin β+γ/2 sin γ +α/2
Sinα+sinβ+sinγ-sin(α+β+γ) = 4 sin α+β/2 sin β+γ/2 sin γ +α/2 || $Sin\alpha + sin\beta + sin\gamma – sin(\alpha + \beta …
Sinα+sinβ+sinγ-sin(α+β+γ) = 4 sin α+β/2 sin β+γ/2 sin γ +α/2 || $Sin\alpha + sin\beta + sin\gamma – sin(\alpha + \beta …