Solve 4cos^2A = 3cosA for

  1. how do i verify these?1-sin^2B 1. ----------- = csc^2B-sec^2B sin^2Bcos^B 2. cos(2a+a) = 4cos^3a-3cosa
    1. answers icon 2 answers
    2. anjelica318 asked by anjelica318
    3. views icon 519 views
  2. Solve 4cos^2A = 3cosA for 90º≤A≤180º. (Enter only the number.)Find A when 0º≤A≤90º and 3tan^2A = 2tanA + 1. (Enter
    1. answers icon 2 answers
    2. TeeKay asked by TeeKay
    3. views icon 734 views
  3. If cotA=3/4find the value of 2sinA-3cosA ÷2sinA - 3cosA.
    1. answers icon 1 answer
    2. Anonymous asked by Anonymous
    3. views icon 585 views
  4. If sinA=1/2 then find cos^3A-3cosA.
    1. answers icon 1 answer
    2. Shashank asked by Shashank
    3. views icon 1,686 views
  5. Solve for exact or to 1d.p of x E [0 ,2pi]4cos^2x-3
    1. answers icon 2 answers
    2. Anonymous asked by Anonymous
    3. views icon 363 views
  6. 8-12SIN^2X=4COS^2XSOLVE FOR X
    1. answers icon 1 answer
    2. NN asked by NN
    3. views icon 1,249 views
  7. solve the equation 4cos^2x-1=0
    1. answers icon 1 answer
    2. kc asked by kc
    3. views icon 991 views
  8. solve the equation 4cos^2x-1=0
    1. answers icon 1 answer
    2. denise asked by denise
    3. views icon 682 views
  9. Write an equation for simple harmonic motion, given that the amplitude equals 4 inches and the period equals 2 seconds and the
    1. answers icon 1 answer
    2. Kayla asked by Kayla
    3. views icon 542 views
  10. solve for x if x is in radians.cos2(x) + 4cos(x) = -3
    1. answers icon 4 answers
    2. Sandy asked by Sandy
    3. views icon 1,089 views