SOLUTION: Given that cos(theta-pi/2)=-4/5.Find sin(-theta)

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Question 1154766: Given that cos(theta-pi/2)=-4/5.Find sin(-theta)
Answer by Edwin McCravy(20064) About Me  (Show Source):
You can put this solution on YOUR website!
cos(theta-pi/2)=-4/5.Find sin(-theta)

So,
sin%28theta%29=-4%2F5