Express each of the following as a single trigonometric (in degress).[把下列式子表示为单一的三角函数值] (1)cosθ+sinθ; (2) 3 cosθ-sinθ; (3)3sinθ+4cosθ; (4)sinθ- 2 cosx. 试题答案 在线课程 考点:三角函数的最值 专题:三角函数的求值 ...
In my case, I don't need cos/sin value of any angles. I just need 0, 1/4, 2/4, 3/4...355+3/4 degress. So, I precompute them and put them in two array cos[360*4] and sin[360*4]. Ben Newsam #10 Oct 16 '06, 01:25 PM Re: How Math.Cos & Math.Sin is imp...