Find   tan(u2)tan(u2)   if   sinu=−0.723sinu=-0.723

Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter58: Achievement Review—section Five
Section: Chapter Questions
Problem 30AR: Determine dimension x to 3 decimal places.
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Find   tan(u2)tan(u2)   if   sinu=−0.723sinu=-0.723 

Expert Solution
Step 1

given :

sinu=0.723

Find first cos(u)

sin2(u)+cos2(u)=1(-0.723)2+cos2(u)=1cos(u)=0.691

 

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