Prove: 1-tanx/1+tanx=1-sin2x/cos2x

Prove:1-tanx/1+tanx=1-sin2x/cos2x
1. 2 answers
2. asked by Xiumin
3. 2,793 views
prove sin2x+cos2x+1 tan(pi/4+x)______________ = __________ sin2x+cos2x-1 tanx so what I did tan(x)
1. 2 answers
2. asked by Lana
3. 749 views
Prove the identity:1-cos2x/sin2x = 1+tanx/1+cotx I simplified the RS to tanx. LS:(1-2cos²x+1)/2sinxcosx (2+2cos²x)/2sinxcosx
1. 2 answers
2. asked by sh
3. 1,320 views
prove that1+sin2x-cos2x / sin2x+cos2x = tanx
1. 1 answer
2. asked by Anonymous
3. 1,363 views
Prove that sin2x+cos2x-1/sin2x+cos2x+1=tanx
1. 1 answer
2. asked by James
3. 1,245 views
1-tanx/1+tanx=1-sin2x/cos2x
1. 2 answers
2. asked by liger
3. 992 views
tanx = 5/12 and sinx<0Find sin2x and cos2x How to get the answers of sin2x = 120/169 and cos 2x = 119/169?
1. 3 answers
2. asked by Amandeep
3. 1,537 views
Establish the following identitySin2x/1+cos2x=tanx
1. 0 answers
2. asked by Tyler
3. 499 views
tanx= -12/5 x in Q 2.find sin2x= cos2x= tan2x=
1. 1 answer
2. asked by Sam
3. 681 views
tanx= -12/5 x in quadrant 2find; sin2x= cos2x= tan2x=
1. 1 answer
2. asked by Adam
3. 1,552 views