1. The angle θ lies in Quadrant I.
sinθ=25
What is cosθ?
−21√5
...
Mathematics, 28.05.2021 14:00 Lovebamagirl12
1. The angle θ lies in Quadrant I.
sinθ=25
What is cosθ?
−21√5
−25
21√5
25
2. cos(−θ)=−2√5, sinθ>0
What is the value of sinθ?
2√5
−2√5
−23√5
23√5
Answers: 3
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