what is sinpi+theta
sin(pi+theta) = sin(pi)cos(theta) + cos(pi)sin(theta) = 0cos(theta) + (-1)sin(theta) = -sin(theta)
原文地址: https://www.cveoy.top/t/topic/bk8O 著作权归作者所有。请勿转载和采集!
安全问答是一个知识全球问答,包含丰富的问答知识
sin(pi+theta) = sin(pi)cos(theta) + cos(pi)sin(theta) = 0cos(theta) + (-1)sin(theta) = -sin(theta)
原文地址: https://www.cveoy.top/t/topic/bk8O 著作权归作者所有。请勿转载和采集!