Ask a New Question
Menu

Prove: 1/cos2A+sin2A/cos2A=sinA+cosA/cosA-sinA

  1. Prove:1/cos2A+sin2A/cos2A=sinA+cosA/cosA-sinA
    1. answers icon 1 answer
    2. Piwo asked by Piwo
    3. views icon 634 views
  2. Prove:1/cos2A+sin2A/cos2A=sinA+cosA/cosA-sinA
    1. answers icon 1 answer
    2. Piwo asked by Piwo
    3. views icon 1,223 views
  3. how do you solve this.prove: cos2A plus cosA divided by sin2A minus sinA equal to cos2A plus 1 divided by sinA
    1. answers icon 1 answer
    2. lungisile ntobela asked by lungisile ntobela
    3. views icon 1,183 views
  4. Prove :1 + Sin2A/ Cos2A = CosA + SinA / CosA- SinA
    1. answers icon 5 answers
    2. clive asked by clive
    3. views icon 2,508 views
  5. Let A=(cosA -sinA)(sinA cosA) show that A^2=(cos2A sin2A) (sin2A cos2A)
    1. answers icon 1 answer
    2. James asked by James
    3. views icon 671 views
  6. 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. answers icon 2 answers
    2. Shym asked by Shym
    3. views icon 951 views
  7. Prove that [sinA/(1-cosA)-(1-cosA)/sinA]*[cosA/(1+sinA)+(1+sinA)/cosA]=4cosecAI the second part as 2 secA
    1. answers icon 1 answer
    2. Agastya asked by Agastya
    3. views icon 748 views
  8. Given:cosA= 4/5 0(less than or equal to)A(less than of equal to)90*find sinA, sin2A, cos2A
    1. answers icon 2 answers
    2. olivia asked by olivia
    3. views icon 545 views
  9. 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. answers icon 1 answer
    2. Jimbo asked by Jimbo
    3. views icon 816 views
  10. SinA➖cosA/sinA➕cosA➕sinA➕cosA/sinA➖cosA=-2/cos2A
    1. answers icon 1 answer
    2. snenhlanhla asked by snenhlanhla
    3. views icon 465 views