prove that 2sinxcosx-cosx/1 -sinx+sin^2x-cos^2x=cotx

Prove:sin2x / 1 - cos2x = cotx My Attempt: LS: = 2sinxcosx / - 1 - (1 - 2sin^2x) = 2sinxcosx / - 1 + 2sin^2x = cosx / sinx - 1 =
1. 5 answers
2. asked by Anonymous
3. 1,419 views
prove that 2sinxcosx-cosx/1 -sinx+sin^2x-cos^2x=cotx
1. 1 answer
2. asked by krishan
3. 2,643 views
Verify the identity .(cscX-cotX)^2=1-cosX/1+cosX _______ sorry i cant help you (cscX-cotX)=1/sinX - cosX/sinX = (1-cosX)/sinX If
1. 0 answers
2. asked by Rose
3. 703 views
My previous question:Verify that (secx/sinx)*(cotx/cscx)=cscx is an identity. (secx/sinx)*(cotx/cscx) = (secx/cscx)(cotx/sinx) =
1. 2 answers
2. asked by Jon
3. 900 views
1. Prove the identity:cosx/1-tanx+sinx/1-cotx=sinx+cosx2.Prove the identity: cosx/1+sinx+1+sinx/cosx=2secx
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2. asked by Aliya
3. 615 views
(cotxsec2x - cotx)/ (sinxtanx + cosx) = sinxprove. i keep getting (if i start from the left side) = cosx instead of sinx please
1. 1 answer
2. asked by Spencer
3. 1,395 views
Q.1 Prove the following identities:-(i) tan^3x/1+tan^2x + cot^3x/1+cot^2 = 1-2sin^x cos^x/sinx cosx (ii)
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2. asked by MATH...............
3. 975 views
Q.1 Prove the following identities:-(i) tan^3x/1+tan^2x + cot^3x/1+cot^2 = 1-2sin^x cos^x/sinx cosx (ii)
1. 1 answer
2. asked by MATHS
3. 1,126 views
Prove the following functions:(sinx+sin2x)/(1+cosx+cos2x)=tan x (cos3x/sinx)+(sin3x/cosx)=2cot2x tan2x=(2/cotx-tanx) theses are
1. 2 answers
2. asked by jared
3. 1,077 views
this is for proving identies and its fustrating i can't solve this one question! lolx=feta (btw the first part is supposed to be
1. 3 answers
2. asked by diana
3. 510 views