1. [sin(x+b) + cos(x+b)]/[cos(x+b)-sin(x+b)]=
3. tan x + cot 2x =
4. tan (45 + x) -tan (45 -x)=
5. tanx - cotx + cot 2x =
Plus two more...
Seven trigonometric expressions are simplified. The solution is detailed and well presented. The response received a rating of "5" from the student who originally posted the question.