What is 3(xcos(θ)-ysin(θ)(xsin(θ)+ycos(θ))) ?

The solution to 3(xcos(θ)-ysin(θ)(xsin(θ)+ycos(θ))) is 3xcos(θ)-3xysin^2(θ)-3y^2cos(θ)sin(θ)

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simplify 3(xcos(θ)-ysin(θ)(xsin(θ)+ycos(θ)))

simplify

3 (x cos (θ) - y sin (θ) (x sin (θ) + y cos (θ)))

3 x cos (θ) - 3 x y sin^{2} (θ) - 3 y^{2} cos (θ) sin (θ)

Solution steps

3 (x cos (θ) - y sin (θ) (x sin (θ) + y cos (θ)))

Expand

3 (x cos (θ) - y sin (θ) (x sin (θ) + y cos (θ))) : 3 x cos (θ) - 3 x y sin^{2} (θ) - 3 y^{2} cos (θ) sin (θ)

= 3 x cos (θ) - 3 x y sin^{2} (θ) - 3 y^{2} cos (θ) sin (θ)

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

x (x - y) + (z)

lo g_{10} (a^{9} b)

s im p l^{12} (\frac{8 x}{4} - 3)

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

What is 3(xcos(θ)-ysin(θ)(xsin(θ)+ycos(θ))) ?
The solution to 3(xcos(θ)-ysin(θ)(xsin(θ)+ycos(θ))) is 3xcos(θ)-3xysin^2(θ)-3y^2cos(θ)sin(θ)