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Prove that sinx~x for small
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
953 views
If y=Sinx^Sinx^Sinx.......infinity then prove that dy/dx=2ycotx/1-ylog(sinx).?
1 answer
asked by
Parikshit
1,448 views
I need to prove that the following is true. Thanks
(cosx / 1-sinx ) = ( 1+sinx / cosx ) I recall this question causing all kinds
0 answers
asked by
abdo
1,009 views
Prove that sinx~x for small vibration
1 answer
asked by
sonali
313 views
Prove the following identity:
1/tanx + tanx = 1/sinxcosx I can't seem to prove it. This is my work, I must've made a mistake
1 answer
asked by
Heather
804 views
How do I prove these trig identities?
secx-cosx/tanx =sinx And 1+sinx/cosx+ cox/ 1+sinx=2secx
1 answer
asked by
Jill
957 views
1. Prove the identity:cosx/1-tanx+sinx/1-cotx=sinx+cosx
2.Prove the identity: cosx/1+sinx+1+sinx/cosx=2secx
0 answers
asked by
Aliya
641 views
Mathematics - Trigonometric Identities - Reiny, Friday, November 9, 2007 at 10:30pm
(sinx - 1 -cos^2x) (sinx + 1 - cos^2x) should
3 answers
asked by
Anonymous
789 views
Prove:
sin^2x - sin^4x = cos^2x - cos^4x What I have, LS = (sinx - sin^2x) (sinx + sin^2x) = (sinx - 1 -cos^2x) (sinx + 1 -
1 answer
asked by
Anonymous
550 views
I need to prove equality.
a) (sina + cosa)^2 -1 / ctga - sinacosa = 2tg^2a b) (sin^2x/sinx-cosx) - (sinx+cosx/tg^2x+1) = sinx +
4 answers
asked by
Evelina
970 views