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Advocard [28]
3 years ago
9

Csc (theta) , if cos (theta) = -2/3 ; 180 < theta < 270

Mathematics
2 answers:
Zinaida [17]3 years ago
8 0
Opposite side = sqrt  (3^2 - 2^2 ) =  sqrt5
sin theta = -sqrt 5 / 3   as the sine is negative in the 3rd quadrant 

csc theta = - 3 / sqrt5
Mariana [72]3 years ago
4 0

Answer: D on edge

Step-by-step explanation:

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