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OpenStudy (anonymous):
cos 3θ = 0
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OpenStudy (anonymous):
What's your question?
OpenStudy (anonymous):
Find all degree solutions for the following. (Enter your answers as a comma-separated list. Let k be any integer.) cos 3θ = 0
OpenStudy (arthur_ser):
cos3θ=0 cos3θ=cos(π/2) 3θ=2kπ + π/2 or 3θ=2kπ - π/2 , k∈Z sipmlify.
OpenStudy (anonymous):
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