posted by .


  • math -

    just expand and see what happens
    I'll elide the x's just for ease of typing

    sec - sec*sin + tan - tan*sin
    sec - tan + tan - tan*sin
    sec - sin^2 * sec

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Trig

    Please help with this one. I've worked it out in so many ways and can't tell what's correct. sinA sinA ----- - ------ 1+sinA 1-sinA Which answer is correct for the problem above?
  2. Maths

    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?
  3. algebra

    i have a problem in dis sum from complex numbers prove that (1+sinA+icosA)/(1-sinA-icosA)=i(secA+tanA)
  4. maths(trigonometry)

    prove that sinA-cosA+1/sinA+cosA-1=1/secA-tanA
  5. trig

    express the trig. ratios sinA,secA n tanA in terms of cotA.
  6. Math

    Prove the identity: tanA/secA+1 = secA-1/tanA Can u please explainit to me step by step?
  7. Trig

    prove that tanA divided by the sinA equals the secA
  8. math

    if tanA=root2-1, prove that (secA.sinA tan squareA-cosecA) =(12-¡Ì5)/2
  9. Trigonometric Identities

    Verify/prove the following: (sinA+tanA)/(1+secA) = sinA ______________________________ tanu = 1+sinu-cos^2u/cosu(1+sinu) __________________________________ cotu = (2+cscu/secu)-2cosu ______________________________ tanAsinA/tanA+sinA …
  10. trigonometry

    if secA-tanA =10 than sinA =?,cosA =?,secA =?

More Similar Questions