- #1

Robin04

- 260

- 16

- Homework Statement
- ##\sin{(a + b)}\sim f_1(a)+f_2(b)##

- Relevant Equations
- -

There are no restrictions for ##a,b,f_1,f_2##. One solution is the first order Taylor series expansion of course with ##f_1(a)=a,f_2(b)=b##, but are there any other solutions? I tried the Bhaskara formula but I couldn't express it in this form.