SOLUTION: The function {{{ y = 4 }}}cos(½ {{{ x }}}) has the period of
A) π/2
B) π
C) 2π
D) 4π
Algebra.Com
Question 1061596: The function cos(½ ) has the period of
A) π/2
B) π
C) 2π
D) 4π
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
The cosine function repeats every radians
Check over radians to radians
and
----------------------
Answer is (D)
This function of repeats
every radians
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