Question: For the following exercises, prove or disprove the statements. tan(x + y) 1 + tan x tan x tan x + tan y 1 -

For the following exercises, prove or disprove the statements.

tan(x + y) 1 + tan x tan x tan x +

tan(x + y) 1 + tan x tan x tan x + tan y 1 - tan xtan y

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