Edexcel AS A Level Core Maths C2 Jan 2007 - Question 6 (Trigonometry, Pythagorean identities)

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This video shows the FULL solutions for the following questions in A-Level Maths C2 Edexcel January 2007:

* Question 6 on Trigonometry and using a Pythagorean identity to solve a trigonometric equation with the help of a CAST diagram (Quadrant rule).

Links to the videos explaining the theory and examples (with commentary):

Trigonometry - The CAST diagram

Trigonometry - Solving basic equations using the CAST diagram PART 1

Trigonometry - Solving basic equations PART 2

Trigonometry - Solving basic equations PART 3

Trigonometry - Pythagorean Identities PART 1

Trigonometry - Pythagorean Identities PART 2

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