trigonometry

posted by .

an example problem showed the following
log tan A/2 = 9.54435 - 10
A= 38 deg 36' 12"

Now i want to do the same.

log tan A/2 = 9.85551 - 10
A= ??

I don't know how to convert tan into degrees can you help me.

  • trigonometry -

    log tan A/2 = 9.85551 - 10
    log tan A/2 = - 0.14449
    take inverse log
    tan A/2 = 0.716984884
    take inverse tangent
    A/2 = 35.64
    A = 71.28°
    = 71° 16' 48"

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Mathematics

    Prove that log a, log ar, log ar^2 is an a.p. Is the following below correct?
  2. Math Help Please

    Which of the following expressions is equal to log (x sqrt-y)/z^5 A. log x + log (1/2) + log y– log 5 – log z B. log [x + (1/2)y – 5z] C. log x + (1/2)log y – 5 log z d. [(1/2) log x log y]/(5 log z)
  3. math

    Logarithm!!! Select all of the following that are true statements: (a) log(2x) = log(2) + log(x) (b) log(3x) = 3 log(x) (c) log(12y) = 2 log(2) + log(3y) (d) log(5y) = log(20y) – log(4) (e) log(x) = log(5x) – log(5) (f) ln(25) …
  4. trigonometry

    find the acute anlge A, to the nearest seconds when ; A.log cos A= 9.12575 you might say that The cosine is >1, there's no real number solution. but there is . I think they mean log cos A= 9.12575 -10 . okay now i don't know how …
  5. Trigonometry /Logarithms (brace yourself)

    This is an outline that i have to use to find the solution of the question. It involves logarithms and half-angle formulas.I have worked though it but got stuck on some parts. I'd like if you look over my work. solve the triangle for …
  6. trigonometry

    This is an outline that i have to use to find the solution of the question. It involves logarithms and half-angle formulas.I have worked though it but got stuck on some parts. I'd like if you look over my work. solve the triangle for …
  7. trigonometry repost .

    This is an outline that i have to use to find the solution of the question. It involves logarithms and half-angle formulas.I have worked though it but got stuck on some parts. I'd like if you look over my work. solve the triangle for …
  8. maths (trigonometry)

    calculate the following: 1)sin 50 degree-sin 70 degree+sin 10deg. 2)cos square 48 deg.- sin square 12 deg. 3)tan 20 deg.+tan 40 deg.+root 3 tan 20 tan 40 Plz. Solve these
  9. Trigonometry

    This is a logs question If u=x/y^2, which expression is equivalent to log u?
  10. Calculus

    s=çdx/(4+5cos x). By using t-substitution, i.e. t=tan(x/2) we get cos x=(1-t^2)/(1+t^2) and dx=2dt/(1+t^2). Substituting in s and simplifying, we get s= 2çdt/4(1+t^2)+5(1-t^2)=2çdt/(9-t^2). Using standard result çdx/(a^2-x^2)=1/a*arctanh …

More Similar Questions