AS ONLY
E1: Trigonometry
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From the DfE Mathematics AS and A-Level Content (LINK):
SOHCAHTOA
SOHCAHTOA
E1-01 [Trigonometry: Introducing sin(x), cos(x) & tan(x)]
E1-01 [Trigonometry: Introducing sin(x), cos(x) & tan(x)]
E1-02 [Trigonometry: Two Triangles to Learn]
E1-02 [Trigonometry: Two Triangles to Learn]
E1-03 [Trigonometry: Using the Two Triangles]
E1-03 [Trigonometry: Using the Two Triangles]
E1-04 [Trigonometry: Examples of Finding Missing Angles]
E1-04 [Trigonometry: Examples of Finding Missing Angles]
E1-05 [Trigonometry: Examples of Finding Missing Sides]
E1-05 [Trigonometry: Examples of Finding Missing Sides]
E1-06 [Trigonometry: Finding Exact Values of sin(x), cos(x) & tan(x)]
E1-06 [Trigonometry: Finding Exact Values of sin(x), cos(x) & tan(x)]
The Sine Rule
The Sine Rule
E1-07 [Trigonometry: Proof of the Sine Rule]
E1-07 [Trigonometry: Proof of the Sine Rule]
E1-08 [Trigonometry: Using the Sine Rule]
E1-08 [Trigonometry: Using the Sine Rule]
E1-09 [Trigonometry: When the Sine Rule can lead to Two Triangles]
E1-09 [Trigonometry: When the Sine Rule can lead to Two Triangles]
The Cosine Rule
The Cosine Rule
E1-10 [Trigonometry: Proof of the Cosine Rule]
E1-10 [Trigonometry: Proof of the Cosine Rule]
E1-11 [Trigonometry: Using the Cosine Rule]
E1-11 [Trigonometry: Using the Cosine Rule]
E1-12 [Trigonometry: Find all the Missing Sides and Angles of a Triangle]
E1-12 [Trigonometry: Find all the Missing Sides and Angles of a Triangle]
The Area of a Triangle
The Area of a Triangle
E1-13 [Trigonometry: Proof of Area of a Triangle ½ absinC]
E1-13 [Trigonometry: Proof of Area of a Triangle ½ absinC]
E1-14 [Trigonometry: Finding the Area of Triangles]
E1-14 [Trigonometry: Finding the Area of Triangles]