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simplify cos(360-x)tanx/ sin(x-180)cos(90+x)
For this question, they want me to use fundamental trig identities to simplify the expression. The problem is as follows;
5 answers
asked by
CodyJinks
783 views
Did I do this problem right?
Find the first and second derative-simplify your answer. y=xtanx y'= (x)(sec^2 x)+(tanx)(1) y'=
1 answer
asked by
Janet
691 views
Given that a^2+b^2=2 and that (a/b)= tan(45degee+x), find a and b in terms of sinx and cosx.
I don't know what i'm supposed to
1 answer
asked by
Marrion
700 views
Given that a^2+b^2=2 and that (a/b)= tan(45degee+x), find a and b in terms of sinx and cosx.
I don't know what i'm supposed to
0 answers
asked by
Marrion
700 views
2tan^2x-tanx-1=0
0<x<2pi •MATH - Steve, Thursday, July 18, 2013 at 11:48am (2tanx+1)(tanx-1) = 0 tanx = -1/2 or 1 ... Recall in
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asked by
ROBIN
608 views
Use identities to simplify the expression
Sec^2x/tanx-tanx
1 answer
49 views
Perform the addition or subtraction.
tanx - sec^2x/tanx tan^2(x)/tan(x) - sec^2x/tanx = tan^2x sec^2x / tanx then I use the
1 answer
asked by
Hannah
790 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 answer
asked by
Beth
766 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 answer
asked by
Dave
762 views
Simplify #3:
[cosx-sin(90-x)sinx]/[cosx-cos(180-x)tanx] = [cosx-(sin90cosx-cos90sinx)sinx]/[cosx-(cos180cosx+sinx180sinx)tanx] =
1 answer
asked by
Anonymous
1,093 views