is there any double angles or stuff such as sin(x+y)=sinxcosy+cosxsiny in the 2u hsc (1 Viewer)

[megaman64]

question in title

 

[Carrotsticks]

Re: is there any double angles or stuff such as sin(x+y)=sinxcosy+cosxsiny in the 2u

Nope, that is Extension 1 =)

However, the proof for it can be done using 2U methods.

 

[funnytomato]

Re: is there any double angles or stuff such as sin(x+y)=sinxcosy+cosxsiny in the 2u

http://www.boardofstudies.nsw.edu.au/syllabus_hsc/pdf_doc/maths23u_syl.pdf

P40

 

[megaman64]

Re: is there any double angles or stuff such as sin(x+y)=sinxcosy+cosxsiny in the 2u

ok thanks guys