Ethan J.

asked • 11/02/14

Use the Half-Angle formulas to find the exact values

a. cos 75° 
 
 
 
 
b. (π/8)
 
 
 
 
P.S. please show step by step

1 Expert Answer

By:

Tim T. answered • 06/09/20

Tutor
4.9 (702)

Math: K-12th grade to Advanced Calc, Ring Theory, Cryptography

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