Dividing the numbers $4, 3, 2, 1, 0$ by $4$ and taking square roots gives the values of—

Question

Accepted Answer

$\cos 0^\circ, \cos 30^\circ, \cos 45^\circ, \cos 60^\circ, \cos 90^\circ$

Answer

the sine series

Answer

the tangent series

Answer

the cotangent series

Dividing the numbers 4,3,2,1,04, 3, 2, 1, 04,3,2,1,0 by 444 and taking square roots gives the values of—