Toán Lớp 10: sin(x+k2 π)=……..
cos(x+k2 π)=……..
tan(x+k2 π)=……..
cot(x+k2 π)=……..
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Toán Lớp 10: sin(x+k2 π)=……..
cos(x+k2 π)=……..
tan(x+k2 π)=……..
cot(x+k2 π)=……..
Comments ( 2 )
\sin \left( {x + k2\pi } \right) = \sin x\\
\cos \left( {x + k2\pi } \right) = \cos x\\
\tan \left( {x + k2\pi } \right) = \tan x\\
\cot \left( {x + k2\pi } \right) = \cot x
\end{array}$