Prove that
tan² 20° + tan² 40° + tan² 80° = 33...
Mathematics, 09.09.2020 14:01 samc7910
Prove that
tan² 20° + tan² 40° + tan² 80° = 33
Answers: 1
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Pls! does anybody know a shortcut for answering these types of questions in the future?
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