来自宋士刚的问题
【求下列特殊角的弧度,sin,cos,tan的值30,45,60,90,120,135,150,180,210,225,240,270,300,330,360】
求下列特殊角的弧度,sin,cos,tan的值
30,45,60,90,120,135,150,180,210,225,240,270,300,330,360


【求下列特殊角的弧度,sin,cos,tan的值30,45,60,90,120,135,150,180,210,225,240,270,300,330,360】
求下列特殊角的弧度,sin,cos,tan的值
30,45,60,90,120,135,150,180,210,225,240,270,300,330,360
角度sincostan
0010
301/2根号3/2根号3/3
45根号2/2根号2/21
60根号3/21/2根号3
9010不存在
120根号3/2-1/2-根号3
135根号2/2-根号2/2-1
1501/2-根号3/2-根号3/3
1800-10
210-1/2-根号3/2根号3/3
225-根号2/2-根号2/21
240-根号3/2-1/2根号3
270-10不存在
300-根号3/21/2-根号3
330-1/2根号3/2-根号3/3
360010
将就将就!
还有弧度呢
度0°30°45°60°90°120°135°150°180°210°225°270°300°330°360°弧度0π/6π/4π/3π/22π/33π/45π/6π7π/65π/43π/25π/311π/62π齐了!
(附5财富)再问一个,315度角
315sin-根号2/2cos根号2/2tan-1弧度7π/4