2sinП/65cosП/65 cos 2п/65 cos 4п/65 cos 8п/65 cos 16п/65 * *cos 32п/65/2cosп/65=2sin2П/65* cos 2п/65 cos 4п/65 cos 8п/65 * *cos 16п/65 cos 32п/65/4cosП/65=2sin4П/65*cos 4п/65 cos 8п/65 * *cos 16п/65 cos 32п/65/8cosП/65=2sin8П/65*cos 8п/65 *cos 16п/65* *cos 32п/65/16cosп/65=2sin16П/65*cos16П/65*cos32П/65/32cosП/65=
2sinП/65cosП/65 cos 2п/65 cos 4п/65 cos 8п/65 cos 16п/65 * *cos 32п/65/2cosп/65=2sin2П/65* cos 2п/65 cos 4п/65 cos 8п/65 * *cos 16п/65 cos 32п/65/4cosП/65=2sin4П/65*cos 4п/65 cos 8п/65 * *cos 16п/65 cos 32п/65/8cosП/65=2sin8П/65*cos 8п/65 *cos 16п/65* *cos 32п/65/16cosп/65=2sin16П/65*cos16П/65*cos32П/65/32cosП/65=
=2sin32П/65*cos32п/65/64cosП/65=sin64П/65/64cos(П-64П/65)=1/64