Prove that tangent is division of sine cosine This question has not been answered yet! Don't worry! You can check out similar questions with solutions below wat is the meaning of sine,cosine,tangent and etc...? can you plzzz explain what is sine, cosine.tangent??? What is the real life usage of sine, cosine and tangent? ... cosA bcosB c cosC = 2asinBsinC , by sine cosine formala ... ratios named as sine, cosine, tangent, cotangent, secant and ...