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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
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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)

User Cvsguimaraes
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1 Answer

2 votes

Answer:

d on edge

Explanation:

User Bluppfisk
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