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OpenStudy (anonymous):
Given that cos(theta) = 1/(square root7) and sin(theta)<0, determine the value of tan(theta)?
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OpenStudy (anonymous):
instead of theta let me use x given cosx = 1/sqrt(7) and sinx<0 we need tanx
OpenStudy (anonymous):
secx=1/cosx =sqrt(7) (tanx)^2=(secx)^2-1=7-1=6
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