What is expand xsin(y)dx+(x^2+1)cos(y)dy ?

The solution to expand xsin(y)dx+(x^2+1)cos(y)dy is xsin(y)dx+x^2cos(y)dy+cos(y)dy

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expand xsin(y)dx+(x^2+1)cos(y)dy

expand

x sin (y) d x + (x^{2} + 1) cos (y) d y

x sin (y) d x + x^{2} cos (y) d y + cos (y) d y

Solution steps

x sin (y) d x + (x^{2} + 1) cos (y) d y

= x sin (y) d x + cos (y) (x^{2} + 1) d y

Expand

cos (y) d y (x^{2} + 1) : x^{2} cos (y) d y + cos (y) d y

= x sin (y) d x + x^{2} cos (y) d y + cos (y) d y

(x + 2) (x - 2) d x

(z - \frac{1}{z})^{4}

\frac{80}{0.07} (1 - \frac{1}{( 1.035 ) ^{10}}) + \frac{1000}{1.03 5 ^{10}}

\frac{( 4 - x ^{2} ) ^{2}}{2}

3 (sin^{6} (θ) + cos^{6} (θ)) + 9 sin^{2} (θ) cos^{2} (θ)

What is expand xsin(y)dx+(x^2+1)cos(y)dy ?
The solution to expand xsin(y)dx+(x^2+1)cos(y)dy is xsin(y)dx+x^2cos(y)dy+cos(y)dy