Verified answer

bruh, this is such and easy answer. you need to learn trigonometry properties

cos(a+b)=cosacosb-sinasinb

cos(a-b)=cosacosb+sinasinb

take a=(π/4-x),b=(π/4-y)

good luck for your studies

Answer:

After your eye is removed during a surgical procedure called enucleation, your doctor will attach the muscles that controlled your natural eye to an implant that will support your prosthetic eye.

Explanation:

yeah!i like friendship...woah✨️✨️✨️✨️