Please let me know if you need any clarification. I'm always happy to answer your questions.

Let's consider t = 0 and one wave at a maximum. 
x(t) = Acos(ωt + φ), that means that 
cos(ω*0 + φ) = -0.05 
φ = arccos-0.05 = 93 degrees

1.621 radians

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jun 2nd, 2015

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Jun 2nd, 2015
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Jun 2nd, 2015
Sep 22nd, 2017
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