SOLUTION: How would you express Cos(5pi/2+X) in terms of Sin?
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Question 874325: How would you express Cos(5pi/2+X) in terms of Sin?
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
How would you express Cos(5pi/2+X) in terms of Sin?
Identity: sinx=cos(π/2-x)
cos(5π/2+x)=sin(π/2-5π/2-x)=sin(-4π/2-x)=sin(-2π-x)
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