Convert the point with polar coordinates `(7,pi/3)` to Cartesian coordinates. Enter exact values.

The point is:   

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Box 1: Enter your answer as a point. Example: (2,5.5172)
Enter each value as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
Enter DNE for Does Not Exist, oo for Infinity
Decimal values are not allowed
Trig functions (sin,cos,etc.) are not allowed