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if sin θ = 2 over 3 and tan θ < 0, what is the value of cos θ?


a) square root 5 over 2

b) negative square root of 5

c) square root of 5 over 3

d) negative square root of 5 over 3

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Hubert Koch
Hubert KochLv2
2 Apr 2020

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