用计算机求(1)sin378°21',cos742.5°,tan1111°(2)sin(-879°),tan(-33π/8),cos(-13π/10) (3)sin3,cos(sin2)cos(-根号下2/10)
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用计算机求(1)sin378°21',cos742.5°,tan1111°(2)sin(-879°),tan(-33π/8),cos(-13π/10) (3)sin3,cos(sin2)cos(-根号下2/10)
用计算机求(1)sin378°21',cos742.5°,tan1111°(2)sin(-879°),tan(-33π/8),
cos(-13π/10) (3)sin3,cos(sin2)
cos(-根号下2/10)
用计算机求(1)sin378°21',cos742.5°,tan1111°(2)sin(-879°),tan(-33π/8),cos(-13π/10) (3)sin3,cos(sin2)cos(-根号下2/10)
(1)
sin378°21'=0.314820866
cos742.5°=0.923879532
tan1111°=0.600860619
(2)
sin(-879°)=-0.358367949
tan(-33π/8)=-0.414213562
cos(-13π/10)=-0.587785252
(3)
sin3=0.052335956
cos(sin2)=0.999999814
cos(-根号下2/10)=0.999969538
(1) sin378°21'=0.31482087;
cos742.5°=0.9238795; tan1111°=0.6008606;
(2)sin(-879°)=-0.35836795; tan(-33π/8)=-0.4142136; cos(-13π/10) =-0.587785;
(3)sin3=0.14112; cos(sin2)=0.6143003
cos(-根号下2/10)=0.999969538