Let
f(x)=2sinx+4cosx4sinx.
Then
f′(x)=
The equation of the tangent line to
y=f(x) at
a=3π can be written in the form
y=mx+b where
m= and
b=
[more..]
Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c
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Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
Enter DNE for Does Not Exist, oo for Infinity