Ida Friestad's copy of Trigonometric Equations 7 - Using Identities in Sinus kap 10

© CC BY Edit Download
Link to this question https://numbas.mathcentre.ac.uk/question/17533/ida-friestad-s-copy-of-trigonometric-equations-7-using-identities/embed/
Make a link to launch in the Numbas lockdown app: Launch in Numbas lockdown app