x= a cos4 theta y= a sin4 theta by the given equation, find the equation of a and b when theta is pi/4 a) the equation of the tangent line is it 2x+ y= a, x + y = 2a, x - y=0, or none of the above? b) the equation of the normal line is it 2x+ y= a, x + y = 2a, x - y=0, or none of the above?

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