d/dx{Cos²(5x+4)}
pls answer
Answers
Answered by
1
Answer:
-10sin(5x+4)cos(5x+4)
Step-by-step explanation:
d/dx{cos2(5x+4)}=d/dx{cos(5x+4)}^2
=power down base power -1 and then differentiate function then angle
=2 X cos(5x+4)^2-1 X d/dx(cos(5x+4))
=2cos(5x+4) X -sin(5x+4) X d/dx(5x+4)
=-2sin(5x+4)cos(5x+4) X 5
=-10sin(5x+4)cos(5x+4)=Ans
Similar questions