What is expand y^2cos(1/2)(x-pi/2)+2 ?

The solution to expand y^2cos(1/2)(x-pi/2)+2 is cos(1/2)y^2x-(picos(1/2)y^2)/2+2

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expand y^2cos(1/2)(x-pi/2)+2

expand

y^{2} cos (\frac{1}{2}) (x - \frac{π}{2}) + 2

cos (\frac{1}{2}) y^{2} x - \frac{π cos ( \frac{1}{2} ) y ^{2}}{2} + 2

Solution steps

y^{2} cos (\frac{1}{2}) (x - \frac{π}{2}) + 2

= cos (\frac{1}{2}) y^{2} (x - \frac{π}{2}) + 2

Expand

y^{2} cos (\frac{1}{2}) (x - \frac{π}{2}) : cos (\frac{1}{2}) y^{2} x - \frac{π cos ( \frac{1}{2} ) y ^{2}}{2}

= cos (\frac{1}{2}) y^{2} x - \frac{π cos ( \frac{1}{2} ) y ^{2}}{2} + 2

(x^{2} + y^{2}) e^{- x^{2} - 4 y^{2}}

(2 + x) e^{x}

(x + 5 + 2 i) (x + 5 - 2 i) (x + 1 - 3 i) (x + 1 + 3 i)

- \frac{4}{( 2 s + 1 ) ( s + 2 )}

(x^{3} - (\frac{3}{x}) + 5) (x^{2} + 4 x + 7)

What is expand y^2cos(1/2)(x-pi/2)+2 ?
The solution to expand y^2cos(1/2)(x-pi/2)+2 is cos(1/2)y^2x-(picos(1/2)y^2)/2+2