The Jacobi elliptic cosine function of z and parameter m in Math. Defined as the cosine of the Jacobi amplitude:
cn(u|m)=cos[am(u|m)]Note that all Jacobi elliptic functions in Math use the parameter rather than the elliptic modulus k, which is related to the parameter by m=k2.
Real part on the real axis:
Imaginary part on the real axis is zero.
Real part on the imaginary axis:
Imaginary part on the imaginary axis is zero.
Real part on the complex plane:
Imaginary part on the complex plane:
Absolute value on the complex plane:
Function category: elliptic functions