Happy Valentine’s Day

Step One:  Check out the animated “doodle” on www.google.com 
Step Two: Google this mathematical expression (cut and paste this into search box)
sqrt(cos(x))cos(300x)+sqrt(abs(x))-0.7)(4-x*x)^0.01, sqrt(6-x^2), -sqrt(6-x^2) from -4.5 to 4.5 

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