Exam (elaborations)
Edexcel Pure Maths Chapter 9|2023 LATEST UPDATE|GUARANTEED SUCCESS
- Course
- Institution
What's the cosine rule? - correct answer a² = b² + c² - 2bcCosA cosA=? - correct answer b^2+c^2-a^2/2bc Sine rule? - correct answer a/sinA = b/sinB = c/sinC ; as well as the inverse What do you have to watch out for with the sine rule? - correct answer It can sometimes produce 2 possibl...
[Show more]