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Are 5^2+10^2-2*5*10 cos50° and 5^2+10^2-2*5*10

  1. Are 5^2+10^2-2*5*10 cos50° and 5^2+10^2-2*5*10 cos130° equal to 7.8 and 13.7?
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    2. Anonymous asked by Anonymous
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  2. (Cos40-sin30)/(sin60-cos50)
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    2. Bishal asked by Bishal
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  3. (Cos70-cos50)÷(sin70-sin50) =-√3
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    2. views icon 60 views
  4. Prove that:(cos40-sin30)/sin60-cos50=tan50
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    2. Rabinprakash asked by Rabinprakash
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  5. Prove that(cos40-sin30)/(sin30-cos50)=tan50
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    2. someone asked by someone
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  6. Given that. sin 2x = cos (3x - 10), find tanx2x = 90 -(3x -10) 2x = 90 -3x + 10 2x = -3x + 100 2x + 3x = -3x + 3x + 100 5x = 100
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    2. kd asked by kd
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  7. Simplify the expression by using a Double-Angle Formula or a Half-Angle Formula.Sqrt(1-cos50/2)
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    2. Amanda asked by Amanda
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  8. Simplify the expression by using a Double-Angle Formula or a Half-Angle Formula.�ã((1-cos50)/2)
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    2. John asked by John
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  9. A 5.0kg box slides 8.0m down a ramp, inclined at 40degrees from the horizontal. If the box slides at constant velocity, the work
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    2. Anonymous asked by Anonymous
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  10. the triangle CDE, m<D=90 degrees, m<C=50 degrees, and ED=23. Which equation could be used to find CE?1. sin50=CE/23 2.
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    2. B8 asked by B8
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