Question

Sin^2 пи/8 + 3cos^2 пи/8

Answer 1

Извини за качество
вроде так

Answer 2

To simplify the expression sin^2(π/8) + 3cos^2(π/8), we can use the trigonometric identity:

sin^2(x) + cos^2(x) = 1

Let's plug in x = π/8:

sin^2(π/8) + cos^2(π/8) = 1

So, the simplified expression is equal to 1.