How many complete cycles of the sine function occur in the interval [0, 2π]? (Hint: Each complete cycle covers 2π radians)
+
What theorem states that if two sides and the included angle of one triangle are congruent to two sides and the included angle of another triangle, then the triangles are congruent?
+
Find the basis of vectors in R^3 for the plane defined by the equation 2x + 3y - z = 0.