формулы приведения: tg((3π/2)-x) = ctg(x)
sin(π-x) = sin(x) и cos(π+x) = -cos(x)
=ctg 1*sin 1-cos 1=cos 1/sin 1*sin 1-cos 1=cos 1-cos 1=0
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формулы приведения: tg((3π/2)-x) = ctg(x)
sin(π-x) = sin(x) и cos(π+x) = -cos(x)
Verified answer
=ctg 1*sin 1-cos 1=cos 1/sin 1*sin 1-cos 1=cos 1-cos 1=0