Find an identity for cos(4t)
cos
(
4
t
)
in terms of cos...
![subject](/tpl/images/cats/mat.png)
Mathematics, 21.09.2019 01:00 joemoe15jr
Find an identity for cos(4t)
cos
(
4
t
)
in terms of cos(t)
cos
(
t
)
.
![ansver](/tpl/images/cats/User.png)
Answers: 1
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