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PLEASEE HELPPMEEE!!!! cot2x+sec2x=tan2x+csc2x and 1+2sinxcosx/sinx+cosx=sinx
PLEASEE HELPPMEEE!!!!
cot2x+sec2x=tan2x+csc2x and 1+2sinxcosx/sinx+cosx=sinx + cosx
1 answer
asked by
Sabrina
753 views
5. verify each of the following identities
a) (sinx -cosx)(cscx+secx) =tanx-cotx b) sec2x- csc2x= tan2x- cot2x
1 answer
asked by
Nati
25 views
How would you solve the trigonometric identity (cosx-sinx)/(cosx+sinx)=sec2x-tan2x?
1 answer
asked by
Riley
482 views
Prove:
tan2x+sec2x = cosx+sinx/ cosx-sinx
3 answers
asked by
Beatriz
4,891 views
prove that
(cosx - sinx) / (cosx + sinx) = sec2x - tan2x
2 answers
asked by
urgent
360 views
If y=3/(sinx+cosx) , find dy/dx
A. 3sinx-3cosx B. 3/(sinx+cosx)^2 C. -3/(sinx+cosx)^2 D. 3(cosx-sinx)/(sinx+cosx)^2 E.
1 answer
asked by
Anonymous
670 views
cosx+sinx/cosx-sinx = sec2x+tan2x
2 answers
asked by
Anon
178 views
prove:
sinx/sec2x+cosx/csc2x=sin3x
1 answer
asked by
liger
736 views
this is for proving identies and its fustrating i can't solve this one question! lol
x=feta (btw the first part is supposed to be
3 answers
asked by
diana
530 views
tanx+secx=2cosx
(sinx/cosx)+ (1/cosx)=2cosx (sinx+1)/cosx =2cosx multiplying both sides by cosx sinx + 1 =2cos^2x sinx+1 =
0 answers
asked by
shan
984 views