kamerynbrewer kamerynbrewer

13-06-2017
Mathematics

contestada

If sin θ = 1 over 3 and tan θ < 0, what is the value of cos θ?

Respuesta :

13-06-2017

sin=1/3
tan=sin/cos=-
3^2-1^2=8
cos=-2(2)^.5/3

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