cos(π/32)cos(π/16)cos(π/8)=

来源：学生作业帮编辑：作业帮分类：综合作业时间：2024/05/10 13:11:02

cos(π/32)*cos(π/16)*cos(π/8)=

Cos[Pi/32] Cos[Pi/16] Cos[Pi/8] = 1/(Sec[Pi/8] Sec[Pi/16] Sec[Pi/32]) = -((-1)^(25/32) (1 + (-1)^(1/16)) (1 + (-1)^(1/8)) (1 + (-1)^(1/4)))/8

cos(π/32)*cos(π/16)*cos(π/8)= 求SINπ/64 COSπ/64 COSπ/32 COSπ/16 COSπ/8 求SINπ/64 COSπ/64 COSπ/32 COSπ/16 COSπ/8!急救急救 8sin(π/32)cos(π/32)cos(π/16)cos(π/8),求值 cos(-19/6π)=? cos(- 19/4 π)=? cos(-2/3)π=? 根号2sinπ/32*cosπ/32*cosπ/16*cosπ/18 怎么化简 cos sin π √ cos(-19/6π) 化简:cos(-π-α) 已知cos（π4