Find the derivative of y=4sinx−2cosx

Find the derivative of y=4sinx−2cosx
1. 1 answer
2. asked by Sarah
3. 561 views
Find the derivative ofy=4sinx−2cosx
1. 1 answer
2. asked by Sarah
3. 619 views
Determine the concavity and find the points of inflection.y=2cosx + sin2x 0≤x≤2pi y'=-2sinx + 2cos2x y"=-2cosx-4sinx How do
1. 3 answers
2. asked by sh
3. 2,285 views
If f(x)=4sinx/1+cosxthen f'(x)=_____? I think that the derivative of 4sinx would be 4cos and cosx would be sinx but I don't know
1. 2 answers
2. asked by gnozahs
3. 1,443 views
Find the derivative of 4sinx(6cosx+9sinx) at x=¦Ð/6.
1. 0 answers
2. asked by beth
3. 509 views
Find the derivative if y^3 + y = 2cosx
1. 1 answer
2. asked by Matt
3. 1,106 views
The equation of the tangent line to y=f(x) at a=2 can be written in the form y=mx+b where f(x) =4sinx/4sinx+6cosxi already got
1. 1 answer
2. asked by sonia
3. 718 views
Use the 2nd derivative test to find the extremer of f on the interval [0,2PI]f(x)=2cosx+sin 2x
1. 2 answers
2. asked by Anonymous
3. 528 views
Using the definition of the derivative evaluate the following limits1) Lim h---> 0 [ ( 8 + h )^1/3 - 2 ] / h 2) Lim x ---> pi/3
1. 3 answers
2. asked by Yousef
3. 856 views
Find the limit of(2cosx+3cosx-2)/(2cosx-1)as x tends to pi/3.
1. 1 answer
2. asked by Alex
3. 614 views