Question: find the exact value using half angle identities (please show work!) 9. If tano 11. If coso 3m and z < find cos and <

9. If tano 11. If coso 3m and z < find cos

find the exact value using half angle identities (please show work!)

and < O < 2m, find sin

9. If tano 11. If coso 3m and z < find cos and < O < 2m, find sin

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