SOLUTION: i need help please! Find cos(u/2) if tan(u)=−1.582 and u is in Quadrant-II. cos(u/2)=??

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Question 978388: i need help please!
Find cos(u/2) if tan(u)=−1.582 and u is in Quadrant-II.
cos(u/2)=??

Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!


By my calculator:
degrees

degrees

Hope I got it

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