sinx+sin3x/cosx+cos3x=2tanx This question has not been answered yet! Don't worry! You can check out similar questions with solutions below Find integral of sinx/sin3x+cos3xprovethat sin3x-sinx/ cosx-cos3x=cot 2x ... the equation : sinx - 3sinx + sin3x = cosx - 3cos2x+cos3x ... Prove that sinx + sin3x + sin5x + sin7x = 4 cosx cos2x sin4x ... ... for x : sinx - 2sin2x + sin3x = cosx - 2cos2x + cos3x
