Paper 2 · Trigonometry
⏱ Tested in 1 exam question since 2020
Lesson 1 of 9
Trigonometry 2.1 – Deriving the unit circle
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- Derive that a point on the unit circle at angle A has coordinates (cos A, sin A)
- Work out the sign of sin, cos and tan in each of the four quadrants
- Use the CAST diagram to recall which trig function is positive in each quadrant
- Extend sin and cos beyond 0°–90° using the unit-circle definition
Most recent exam questions
- 2020 P1 Q8(a)(i)
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