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Use the half-angle formula to

  1. Simplify the expression by using a Double-Angle Formula or a Half-Angle Formula.Sqrt(1-cos50/2)
    1. answers icon 1 answer
    2. Amanda asked by Amanda
    3. views icon 592 views
  2. simplfy the expression by double angle formula or a half angle formula.cos^2(x/2)-sin^2(x/2) 2sin(x/2)cos(x/2)
    1. answers icon 0 answers
    2. Amanda asked by Amanda
    3. views icon 557 views
  3. Simplify the expression by using a Double-Angle Formula or a Half-Angle Formula.�ã((1-cos50)/2)
    1. answers icon 2 answers
    2. John asked by John
    3. views icon 589 views
  4. I really need help on this questionSimplify the expression by using a Double-Angle formula or a Half-Angle Formula cos^2
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    2. Andrea asked by Andrea
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  5. Find the Exact value of Pi/24.I'm not sure whether to use a half-angle formula or a difference/sum of angles formula.
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    2. Bryan asked by Bryan
    3. views icon 1,763 views
  6. use the half angle formula to determine the exact values of sin, cos, and tan of the angle.pie/8 and pie/12
    1. answers icon 3 answers
    2. trista asked by trista
    3. views icon 652 views
  7. simplify the expression by using a double angle formula or a half angle formula:a. 2 tan 7 degrees /1-tan^2 7 degrees b.2 tan 7
    1. answers icon 1 answer
    2. Kaylee asked by Kaylee
    3. views icon 876 views
  8. Use the half angle formula to findcos(pi/12)
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    2. Johnathan asked by Johnathan
    3. views icon 699 views
  9. Cos(pi/12) solve using half angle formula
    1. answers icon 1 answer
    2. Abbey asked by Abbey
    3. views icon 2,031 views
  10. for sin2x+cosx=0, use double-angle or half-angle formula to simplify the equation and then find all solutions of the equation in
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    2. bob asked by bob
    3. views icon 841 views