Prove that 1-sin^2x/cosx = sin

I can't seem to prove these trig identities and would really appreciate help:1. cosx + 1/sin^3x = cscx/1 - cosx I changed the 1:
1. 1 answer
2. asked by Heather
3. 1,300 views
Trigonometric IdentitiesProve: (tanx + secx -1)/(tanx - secx + 1)= tanx + secx My work so far: (sinx/cosx + 1/cosx +
1. 0 answers
2. asked by Dave
3. 1,459 views
I'm sorry to double post; I don't want to seem impatient, but I really need help with this.Prove each idenity.
1. 14 answers
2. asked by Rani
3. 840 views
Prove each idenity.1+1/tan^2x=1/sin^2x 1/cosx-cosx=sinxtanx 1/sin^2x+1/cos^2x=1/sin^2xcos^2x 1/1-cos^2x+/1+cosx=2/sin^2x and
1. 0 answers
2. asked by Rani
3. 627 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. 1 answer
2. asked by Heather
3. 800 views
prove the identity(sinX)^6 +(cosX)^6= 1 - 3(sinX)^2 (cosX)^2 sinX^6= sinx^2 ^3 = (1-cosX^2)^3 = (1-2CosX^2 + cos^4) (1-cosX^2)
1. 0 answers
2. asked by JungJung
3. 922 views
Prove the following identities:13. tan(x) + sec(x) = (cos(x)) / (1-sin(x)) *Sorry for any confusing parenthesis.* My work: I
1. 2 answers
2. asked by Taylor
3. 1,079 views
Can you please help me prove that ((1-cosx)/(1+cosx))=(cscx-cotx)^2?I can only do work on one side to prove that its end result
1. 1 answer
2. asked by Potterhead
3. 433 views
1. Prove the identity:cosx/1-tanx+sinx/1-cotx=sinx+cosx2.Prove the identity: cosx/1+sinx+1+sinx/cosx=2secx
1. 0 answers
2. asked by Aliya
3. 636 views
I need to prove that the following is true. Thanks(cosx / 1-sinx ) = ( 1+sinx / cosx ) I recall this question causing all kinds
1. 0 answers
2. asked by abdo
3. 1,006 views