Find the Derivative of :
1.) y = 5x + cosx
2.) y = sinxCosx
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Answered by
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Heya.....!!!
1.) in this question , We will apply " Sum Rule "
So ,,
dy/dx = d/dx (5x ) + d/dx( Cosx )
➡➡ 5 - Sinx
2.) in this question we will solve it by " Product Rule "
y = SinxCosx
dy/dx = Sinx d/dx( cosx ) + cosx d/dx( Sinx )
=>> Sinx( -Sinx ) + cosx ( cosx )
➡➡ cos^2x - sin^2x
Hope it Helps u ^_^
1.) in this question , We will apply " Sum Rule "
So ,,
dy/dx = d/dx (5x ) + d/dx( Cosx )
➡➡ 5 - Sinx
2.) in this question we will solve it by " Product Rule "
y = SinxCosx
dy/dx = Sinx d/dx( cosx ) + cosx d/dx( Sinx )
=>> Sinx( -Sinx ) + cosx ( cosx )
➡➡ cos^2x - sin^2x
Hope it Helps u ^_^
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