三角函数值(三角函数值的计算方法)
知识大全 2022-07-28 19:21www.worldometers.cn知识大全
sin0=sin0°=0
cos0=cos0°=1
tan0=tan0°=0sin15=0.650;
sin15°=0.259
cos15=-0.759;cos15°=0.966
tan15=-0.855;tan15°=0.268
sin30°=1/2
cos30°=0.866;
tan30°=0.577;
sin45°=0.707;
cos45°=0.707
tan45=1.620;tan45°=1
sin60=-0.305;sin60°=0.866
cos60=-0.952;cos60°=1/2
tan60=0.320;tan60°=1.732
sin75=-0.388;sin75°=0.966