Discover Questions

Simplify completely: cos(-x)-sin(-x)tanX? Explain this net neutra;ity thing in full deatail? 1. Provide reasons for the proof. Given: Line m is parallel to line n.
Prove: 1 is supplementary to 3 . I NEED HELP WITH GEOMETRY? Why do we separate forms of phosphorus in the soil? Let f(x)=2x-5 simplify completely: f(x+h)-f(x)/h where h ≠ o?