Prove that (4tanx(1-tanx)square)/((1+tanx)square)square=sin4x

Prove that (4tanx(1-tanx)square)/((1+tanx)square)square=sin4x
1. 1 answer
2. asked by Ivan h
3. 426 views
Verify the Identity:sec(x/2)=the square root of (2 tanx/(tanx sinx))
1. 1 answer
2. asked by Tina
3. 607 views
For this question, they want me to use fundamental trig identities to simplify the expression. The problem is as follows;
1. 5 answers
2. asked by CodyJinks
3. 807 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. 0 answers
2. asked by Marrion
3. 731 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. 1 answer
2. asked by Marrion
3. 731 views
2tan^2x-tanx-1=00<x<2pi •MATH - Steve, Thursday, July 18, 2013 at 11:48am (2tanx+1)(tanx-1) = 0 tanx = -1/2 or 1 ... Recall in
1. 5 answers
2. asked by ROBIN
3. 636 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. 1 answer
2. asked by Hannah
3. 818 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. 801 views
what is the derivative of x/tan(x) and find f'(pi/4)f'(x)=(tanx-x*sec(x)^2)/(tanx)^2 That's the quotient rule for derivatives or
1. 1 answer
2. asked by david
3. 1,048 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. 1 answer
2. asked by Janet
3. 722 views