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Mathematics, 15.12.2020 05:00 blink182lovgabbie

Use the following half-angle identity to find the exact value of tan165. Tan(a/2)= plus or minus the square root of (1-cos a/ 1+cos a)
A. 2- sqrt 3
B. 2+ sqrt 3
C. - sqrt (7-4 sqrt 3)
D. Sqrt (7-4 sqrt 3)

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Use the following half-angle identity to find the exact value of tan165. Tan(a/2)= plus or minus th...

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