How do you differentiate #f(x)=2sinx-tanx#?
2 Answers
Apr 30, 2018
The derivative is
Explanation:
If
For the sine part of the function, the derivative is simply:
However,
Recall that
Hence we can use The quotient rule
if
Then
So the complete function becomes
Or
Apr 30, 2018
Explanation:
#"utilising the "color(blue)"standard derivatives"#
#•color(white)(x)d/dx(sinx)=cosx" and "d/dx(tanx)=sec^2x#
#rArrf'(x)=2cosx-sec^2x#