N NG43 New Member Joined Feb 10, 2020 Messages 18 Gender Male HSC 2021 Jul 27, 2020 #1 Anyone able to help with proving the Compound Angle Formula?? Cheers, Much appreiciated
Trebla Administrator Administrator Joined Feb 16, 2005 Messages 8,401 Gender Male HSC 2006 Jul 27, 2020 #2 If you look up the old HSC syllabus that just got phased out (section 5.7), it actually contains a proof for the compound angle formula.
If you look up the old HSC syllabus that just got phased out (section 5.7), it actually contains a proof for the compound angle formula.
