Let's break down each term:
Cos60 = 0.52sin30 = 2(0.5) = 11/2tgквадрат60 = 1/2 * tan^2(60)
First, find tan(60):tan(60) = √3
Now, calculate tan^2(60):tan^2(60) = (√3)^2 = 3
Therefore, 1/2tgквадрат60 = 1/2 * 3 = 1.5
Then, ctg(45) = 1/tan(45) = 1
Now, plug in the values:
Cos60 + 2sin30 + 1/2tgквадрат60 - cтg45 = 0.5 + 1 + 1.5 - 1 = 2
Therefore, the final answer is 2.
Let's break down each term:
Cos60 = 0.5
2sin30 = 2(0.5) = 1
1/2tgквадрат60 = 1/2 * tan^2(60)
First, find tan(60):
tan(60) = √3
Now, calculate tan^2(60):
tan^2(60) = (√3)^2 = 3
Therefore, 1/2tgквадрат60 = 1/2 * 3 = 1.5
Then, ctg(45) = 1/tan(45) = 1
Now, plug in the values:
Cos60 + 2sin30 + 1/2tgквадрат60 - cтg45 = 0.5 + 1 + 1.5 - 1 = 2
Therefore, the final answer is 2.