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] - QAmmunity.org

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]

asked Aug 6, 2021 137k views

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