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AQA A-level Maths Small angle approximations

Small angle approximations

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

Radians

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

Introduction to small angle approximations

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

Small angle approximations

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