сos(п/2 -t) - sin(п+t) = √2
k є Z
сos(п/2 -t) - sin(п+t) = √2 |
|=>√2= 2sin(t)=>t∈{2πK+3π/4;2πK+π/4}
сos(п/2 -t) - sin(п+t) = 2sin(t)|