Mathematics

posted by .

If cosA is equal to 12/13 where 0 degrees is less than A less than 90 degrees, then tanA is equal to 3/4 where 0 degrees is less than A less than 90 degrees. Determine the ff:
Sin2A

  • Mathematics -

    if cosA = 12/13, tanA = 5/12, not 3/4

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Math/Trig

    Solve: 2 sin x - 1 = 0 for 0 degrees is less than or equal to x is less than 360 degrees.
  2. Math/Trig

    Solve: sin2 x = cos2 x for 0 degrees is less than or equal to x is less than 360 degrees.
  3. trig

    I have to retype this. For which angles theta, with 0 degrees less than/equal to theta less than/equal to 180 degrees, is sin 3theta = (equal) -1 (negative 1)?
  4. math

    For which angles beta, with 0 degrees less than/equal to beta less than/equal to 180 degrees, is sin 3beta equal to -1?
  5. trig

    on the same set of axes: (0 degrees is greater than or equal to x and x is less than or equal to 360 degrees) (a) sketch the graphs of y= sin degrees ,y=2sinx degrees and y=sin2x degrees
  6. Calculus

    Determine the measure of A if 0 degrees is less or equal to angle A and if angle A is less or equal to 360 degrees. Tan A = 0 Answer is somehow supposed to be 0 degrees, 180 degrees, and 360 degrees, but don't know how to get the answer, …
  7. precal- PLEASE HELP!

    Given:cosA= 4/5 0(less than or equal to)A(less than of equal to)90* find sinA, sin2A, cos2A
  8. trigonometry

    solve the equation: 4 tan^2 x + 12 sec x +1 =0, for 0 degrees is less than or equal to x is less than or equal to 360 degrees.
  9. math

    solve the equation for the range zero degrees less than or equal to theta less than or equal to 360 degrees. 4 sin 0=-1
  10. math

    Draw the graph of Y=Sinx for 0 degrees less than or equal to x less than or equal to 360 degrees State the axis of symmetry period amplitude

More Similar Questions