1. Prove that 2 tan x / 2- sec^2 x = tan 2x.

1 answer
Question:

1. Prove that
2 tan x / 2- sec^2 x = tan 2x.

Answers

Answer:Step-by-step explanation:Use trig identities: 1+tan2x=1cos2x=sec2x(1−tanx)=1+tan2x−2tanx = sec2x−2tanx

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