Tg(x+n/4)-tg(x-n/4) если tgx =1/2

Question

Tg(x+n/4)-tg(x-n/4) если tgx =1/2

Answer 1

= 1/2 + tg*п/4 - 1/2 + tg*n/ 4 = 2tg * n/ 4 = tgn/2
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