Small angle approximations

Like degrees, radians are an alternative unit for measuring angle. There are 360ΒΊ, or 2Ο€ radians in a full turn.

The small-angle approximations are estimates of the basic trigonometric functions, valid when ΞΈ β‰ˆ 0 and ΞΈ is in radians.

We can use the small-angle approximations to solve more complicated algebraic expressions.

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