Question

Решите уравнения -sin²x+sinx=cos²x

Answer 1

sin(x)=sin²(x)+cos²(x)=1,

x=π/2+2*π*n, n∈Z.

Ответ: x=π/2+2*π*n, n∈Z.

Answer 2

sinx=cos^2x+sin^2x

sinx=1

x=p/2+2pn , n∈Z