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Describe the oscillators and basic wave forms -- sine, triangle, square, and sawtooth.

What is the question?The ______ oscillators use (1 / h), while the _____ oscillators use (1 / h^2).
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OK	Value	Feedback
	Square and rectangle; Triangle and sawtooth	Sawtooths are a rich sound.
	Triangle and sawtooth; Square and rectangle	Triangle waves have a gentle sound.
	Square, rectangle, and sawtooth; Triangle	Yes, great work!
	Triangle, square, and rectangle; Sawtooth	Sawtooths are a rich sound.

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