Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
(A) + COS (A) + COS (A), радиандағы = 30 градус болған кезде есептеңіз.

Input:


### Response:
(a) + cos (a) + cos (a) = 1.4012583, қашан = 30 градус радианмен.

### End