Question

Trignometry formula​

Answer 1

Step-by-step explanation:

Trigonometry Formulas involving Sum/Difference Identities:

sin(x+y) = sin(x)cos(y)+cos(x)sin(y) cos(x+y) = cos(x)cos(y)–sin(x)sin(y) tan(x+y) = (tan x + tan y)/ (1−tan x. tan y)

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