Edexcel A Level Maths - Trigonometry
June 2024 Exam Questions and Answers
100% Pass
State cosine rule for length - Answer>>a² = b² + c² - 2bc cosA
State cosine rule for angle - Answer>>cosA = (b² + c² - a²) / 2bc
State sine rule for length - Answer>>a / sinA = b / sinB = c /
sinC
State sine rule for angle - Answer>>sinA / a = sinB / b = sinC / c
State formula for area of a triangle given an angle -
Answer>>0.5 ab sinC
If you are given an angle from the sine rule, explain how to
determine a possible second solution - Answer>>180 - angle
Draw the graph of sine -
Answer>>https://www.mathsisfun.com/algebra/images/sine-
graph.svg
Draw the graph of cosine -
Answer>>https://www.mathsisfun.com/algebra/images/cosine-
graph.svg
Draw the graph of tangent -
Answer>>https://dr282zn36sxxg.cloudfront.net/datastreams/f-d
%3Ac03ec795c9f6253ca74dd700e4841fc869a57f5afbe8870bca2
7198c%2BIMAGE_TINY%2BIMAGE_TINY.1
Explain how to work out angles into their acute form using the unit
circle - Answer>>Draw the angle on the unit circle and work out
June 2024 Exam Questions and Answers
100% Pass
State cosine rule for length - Answer>>a² = b² + c² - 2bc cosA
State cosine rule for angle - Answer>>cosA = (b² + c² - a²) / 2bc
State sine rule for length - Answer>>a / sinA = b / sinB = c /
sinC
State sine rule for angle - Answer>>sinA / a = sinB / b = sinC / c
State formula for area of a triangle given an angle -
Answer>>0.5 ab sinC
If you are given an angle from the sine rule, explain how to
determine a possible second solution - Answer>>180 - angle
Draw the graph of sine -
Answer>>https://www.mathsisfun.com/algebra/images/sine-
graph.svg
Draw the graph of cosine -
Answer>>https://www.mathsisfun.com/algebra/images/cosine-
graph.svg
Draw the graph of tangent -
Answer>>https://dr282zn36sxxg.cloudfront.net/datastreams/f-d
%3Ac03ec795c9f6253ca74dd700e4841fc869a57f5afbe8870bca2
7198c%2BIMAGE_TINY%2BIMAGE_TINY.1
Explain how to work out angles into their acute form using the unit
circle - Answer>>Draw the angle on the unit circle and work out
