What is expand cos(u)(x-(pi/2)) ?

The solution to expand cos(u)(x-(pi/2)) is xcos(u)-pi/2 cos(u)

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expand cos(u)(x-(pi/2))

expand

cos (u) (x - (\frac{π}{2}))

x cos (u) - \frac{π}{2} cos (u)

Solution steps

cos (u) (x - (\frac{π}{2}))

Apply the distributive law:

a (b - c) = ab - a c

a = cos (u), b = x, c = (\frac{π}{2})

= cos (u) x - cos (u) (\frac{π}{2})

= x cos (u) - (\frac{π}{2}) cos (u)

Remove parentheses:

(a) = a

= x cos (u) - \frac{π}{2} cos (u)

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lo g_{10} (2) (a \cdot b \cdot c^{6})

\frac{4 x - 3}{( x + 1 ) ^{2}}

What is expand cos(u)(x-(pi/2)) ?
The solution to expand cos(u)(x-(pi/2)) is xcos(u)-pi/2 cos(u)