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OpenStudy (anonymous):
determine the solutions to the equation cos(x)/sin(2x)=5/7 for 0≤x≤2π accurate to two decimal places
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OpenStudy (anonymous):
sounds like a calculator exercise to me
OpenStudy (anonymous):
scroll down and select "approximate form" to get a decimal http://www.wolframalpha.com/input/?i=cos%28x%29%2Fsin%282x%29%3D5%2F7
OpenStudy (anonymous):
it looks confusing... :O lol why is there an n
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