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The angle θ lies in Quadrant II .

sinθ=34

What is cosθ ?



−√7/4 < MY CHOICE

√7/4

3/4

−3/4

1 answer

cos is - in quad two

sin^2 T + cos^2 T = 1

9/16 + cos^2 T = 16/16

cos^2 T = 7/16

cos T = -sqrt 7/ 4
agree with you
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