Sint = - 12, 15 , 3 P : 2 больше t и больше 2P найди косинус

To find the cosine of an angle, we need the values of at least two sides of a right triangle. However, the information given does not provide the necessary sides to calculate the cosine. The values given (sint = -12, 15, 3) are typically used to calculate the sine of an angle.

If you have any other information or additional values, please provide them so I can help you further.