Question: 2) a)Show that cos(sin(x)) = 1-x -1 b)Prove that tan x+tan y = tan x+y 1-xy,

2) a)Show that cos(sin(x)) = 1-x -1 b)Prove that tan x+tan y

2) a)Show that cos(sin(x)) = 1-x -1 b)Prove that tan x+tan y = tan x+y 1-xy,

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