Mathematics, 20.11.2019 17:31 richard80

Prove that
tan 6. tan42. tan 66. tan 78=1

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Prove that
tan 6. tan42. tan 66. tan 78=1...

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Prove thattan 6. tan42. tan 66. tan 78=1

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Prove that
tan 6. tan42. tan 66. tan 78=1