find the derivative of f(x)=tanx-4/secx

find the derivative of f(x)=tanx-4/secxI used the quotient rule and got (sec^2x-4)(secx)-(tanx-4)(cosx)/sec^2x but I'm pretty
1. 3 answers
2. asked by gnozahs
3. 741 views
find dy/dxy=ln (secx + tanx) Let u= secx + tan x dy/dx= 1/u * du/dx now, put the derivative of d secx/dx + dtanx/dx in. You may
1. 1 answer
2. asked by amy
3. 1,545 views
Evaluate the integral of(secx)^2 * (tanx)^3 *dx I started out with letting u=secx and du=secx*tanx*dx , but then I am kind of
1. 1 answer
2. asked by Dave
3. 744 views
tan(3x) + 1 = sec(3x)Thanks, pretend 3x equals x so tanx + 1 = secx we know the law that 1 + tanx = secx so tanx + 1 becomes
1. 0 answers
2. asked by Jen
3. 3,880 views
I can't find the integral for(tanx)^(6)*(secx)^(2) I tried splitting up tanx into (tanx)^2*(tanx)^4 and let the latter equal
1. 0 answers
2. asked by Anonymous
3. 643 views
How do you verify:1.) sinxcosx+sinx^3secx=tanx 2.) (secx+tanx)/(secx-tan)=(secx+tanx)^2 I tried starting from the left on both
1. 0 answers
2. asked by Corin
3. 856 views
find the derivative ofy= 3-secx/tanx
1. 2 answers
2. asked by Zoey
3. 1,390 views
Derivative of y=sec(tanx)?I don't get how it is secxsecx*secxtanx*tanxtanx. Where does an extra tanx come from? Derivative of
1. 1 answer
2. asked by Beth
3. 751 views
Int tanx sec^2x dx can be taken as (by putting it in form of Int xdx)Int secx.secx tanx dx=(sec^2x)/2 Int tanx.sec^2x
1. 3 answers
2. asked by Anonymous
3. 744 views
Derivative of (4 secx tanx)
1. 3 answers
2. asked by Ryan
3. 281 views