Involving powers of the direct function
Involving powers of cos
Involving cosv(a z)
Involving cosnu(a z+b)
Involving cosv(a z2+b/z2)
Involving cosv(a z2+b/z2+c)
Involving cosv(a zr)
Involving cosv(a(zr)p)
Involving cosv(a zr+b)
Involving cosv(a zr+b z)
Involving cosv(a zr+b z+c)
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