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nikitichmr
@nikitichmr
June 2023
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Доказать: 1+tg\2a/1-tg\2a=1/cos\2a-sin2a
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moldobaevarasulbek
Объяснение:
1+tg²a -1 tg²a=1
cos²a-sin²2=2
1 votes
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Answers & Comments
Объяснение:
1+tg²a -1 tg²a=1
cos²a-sin²2=2