will not interrupt what you are doing.A series of posters on teaching methods I don't like, including details of the original method, my pedagogical complaints, and my preferred method.
Ucitelka
2nd Mar 2018 Flag Comment
Fully agree. The angle is a "heart" of sin, cos or tan function, it can't live without it (I tell my less perceptive students). And use "undoing" sine, cosine or tangent, like "lifting a spell and seeing the angle".
D Person
22nd Oct 2021 Flag Comment