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sin3x−sinx=0
sin3x=(sinx)(3-asin^2x)
Wow! is that arcsin^2(x) ??? are we solving for x? or is it proving the identity? proving the identity
0 answers
asked by
abdo
676 views
Prove By induction that sinx + sin3x + sin5x +.... Sin(2n-1) =sin^2(nx)/sin3x
2 answers
asked by
Joel
1,739 views
proof that (sinx+sin3x-2sin2x)/(sinx+sin3x+2sin2x)=-tan(x/2)
1 answer
asked by
thato
531 views
Prove that: (sinx-2sin2x+sin3x)/(sinx+2sin2x+sin3x)= -tan^2 x/2.
3 answers
asked by
Mahlatse
776 views
Prove the following:
[1+sinx]/[1+cscx]=tanx/secx =[1+sinx]/[1+1/sinx] =[1+sinx]/[(sinx+1)/sinx] =[1+sinx]*[sinx/(sinx+1)]
3 answers
asked by
Anonymous
945 views
Prove the following functions:
(sinx+sin2x)/(1+cosx+cos2x)=tan x (cos3x/sinx)+(sin3x/cosx)=2cot2x tan2x=(2/cotx-tanx) theses are
2 answers
asked by
jared
1,098 views
sin3x−sinx=0
1 answer
asked by
Daemon
919 views
Find all solutions in the interval [0,2π)
sin3x−sinx=0
1 answer
asked by
Daemon
857 views
Find the general solution for x if cos2x + sin3x = sinx
1 answer
asked by
Tiana
507 views
Prove: sin3x-sinx/cos3x-cosx=-cot2
1 answer
asked by
Dini
791 views