find general solution of cos 5x/2=0
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cos 5x/2=0
cos 5x/2=cos 90 (cos 90=0)
5x/2=90
5x=180
x=36
hope this helps!
cos 5x/2=cos 90 (cos 90=0)
5x/2=90
5x=180
x=36
hope this helps!
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