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Homework Statement
f(t) = 42cos(2t + 93°), where t is measured in seconds
f(808ms) =
Homework Equations
The Attempt at a Solution
42cos(2t)+42cos(93^o^)=
42cos(1616)+42cos(1.62)=
1200.92+1.2=
but thats wrong..help!
Show your steps. It is hard to say anything without just writing down the solution when the only information you give is that you get the wrong answer.i convert from ms to s then do it out again but without separating the arguement. i get -1.29 which is still wrong.