prove that sinA-cosA+1/sinA+cosA-1=1/secA-tanA

Hi, can someone give me the answer to this question:secA-tanA=1/4. Find cosA I got: CosA=4(1-sinA) Is my answer good? Now
1. 2 answers
2. asked by Shym
3. 925 views
Hello I am having trouble with proving this:sinA/secA+secA/cscA = tan(A)(2-sin^2(A)) So far I've gotten SinA/(1/cosA) +
1. 1 answer
2. asked by Jimbo
3. 798 views
Prove that [sinA/(1-cosA)-(1-cosA)/sinA]*[cosA/(1+sinA)+(1+sinA)/cosA]=4cosecAI the second part as 2 secA
1. 1 answer
2. asked by Agastya
3. 733 views
prove thatsinA-cosA+1/sinA+cosA-1=1/secA-tanA
1. 1 answer
2. asked by meenal
3. 813 views
prove that the following are identity1. (cotA+cosecA-1)/(cotA-cosecA+1)=cosecA+cotA 2. (sinA-cosA+1)/(sinA+cosA-1)=
1. 0 answers
2. asked by Anonymous
3. 566 views
Establish the following identity: CosA/1-TanA + SinA/1-CotA = CosA-SinA
1. 1 answer
2. asked by uche
3. 583 views
CosA/1+sinA=1-sinA/cosAI have to prove the identity each side has to b the same how would i do that? I have a unit test on
1. 5 answers
2. asked by Kristien
3. 621 views
Let P=(cosA sinA)(sinA cosA) Q=(cosB sinA) (sinB cosA) show that PQ=(cosA(A-B) sin(A B)) (sinA(A B) cos(A-B))
1. 0 answers
2. asked by James
3. 715 views
I need to prove that the following is true. Thanks.csc^2(A/2)=2secA/secA-1 Right Side=(2/cosA)/(1/cosA - 1) =
1. 0 answers
2. asked by Dirk
3. 966 views
Verify/prove the following:(sinA+tanA)/(1+secA) = sinA ______________________________ tanu = 1+sinu-cos^2u/cosu(1+sinu)
1. 1 answer
2. asked by Kid
3. 734 views