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)
Answers: 1
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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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