Question
The angle θ lies in Quadrant II .
sinθ=34
What is cosθ ?
−√7/4 < MY CHOICE
√7/4
3/4
−3/4
sinθ=34
What is cosθ ?
−√7/4 < MY CHOICE
√7/4
3/4
−3/4
Answers
Damon
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
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