Here is a sketch of the curve y=sinx∘y = \sin x^\circy=sinx∘ for 0≤x≤3600 \leq x \leq 3600≤x≤360

Given that sin40∘=0.64\sin 40^\circ = 0.64sin40∘=0.64 write down the value of:
sin140∘\sin 140^\circsin140∘
sin220∘\sin 220^\circsin220∘
Practise Edexcel GCSE Maths Trigonometric and Exponential Graphs with exam-style questions for Foundation and Higher tier. 33 questions, matched to the Edexcel GCSE Maths (1MA1) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.