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Mathematics, 09.12.2020 04:30 emadrid76

Please help. Find the exact value by using a half-angle identity. tan(7pi/8)

1 [square root 2]

1 - [square root 2]

-1 + [square root 2]

-1 - [square root 2]

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Please help. Find the exact value by using a half-angle identity. tan(7pi/8)

1 [square r...
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