A triple of three arbitrary vectors with common vertex, often called a trihedral angle since it determines three planes. The vectors are often taken to be unit vectors, and the term trihedron is frequently encountered in the consideration of the unit orthogonal vectors given by T, N, and B (tangent vector, normal vector, and binormal vector).
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Jonathan is doing really well in all of his classes this semester, 5 A’s & 2 B’s (he has a computer essentials class instead of PLC). In his Algebra class that Nathan is helping him with he has an A+.
Sarah is very positive, enthusiastic and encourages my daughter to do better each time she comes. My daughter’s grade has improved, we are very grateful for Sarah and that she is tutoring our daughter. Way to go ClubZ!
