Question

2sin π/8*cos π/8+2/6Ответ округлить до сотых

Answer 1

Ответ:

$\frac{6\sqrt{2 } + 2 }{6}$

Объяснение:

По формуле двойных углов получается sinпи/4+1/3=корень 2/2+1/3

Answer 2

To calculate the expression and round the answer to two decimal places, follow these steps:

1. Evaluate the expression: 2 * sin(π/8) * cos(π/8) + 2/6.
2. Perform the trigonometric calculations.
3. Round the result to two decimal places.

Let's go through the calculations:

Step 1: 2 * sin(π/8) * cos(π/8) + 2/6

Step 2: sin(π/8) ≈ 0.382683 cos(π/8) ≈ 0.923880

Now, substitute these values back into the expression:

2 * 0.382683 * 0.923880 + 2/6 ≈ 0.707106 + 0.333333 ≈ 1.040439

Step 3: Rounding the result to two decimal places, we get:

1.04

So, the final answer, rounded to two decimal places, is 1.04.