6 Replies to “Lekcja klasa 2 LOb”

1. plus

2. plus

3. cosx=1
   x=2kπ, k∈∁

   1. plus

4. Cosx=-√3/2
   X1=5π/6+2kπ , k∈∁
   X2=7π/6+2kπ , k∈∁

   1. plus

Comments are closed.