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Simplify the following trigonometric expression showing your work, step by step.


(tan x - cosx)/(tanx + cosx) +2cos^(2) x

1 Answer

6 votes

Answer:

sin(x) + cos (2x)cos(x)^2 + 2cos(x)^2 sin(x) / sin(x)+cos(x)^2

Explanation:

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