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if f(x) = sin4x-cos2x, find

  1. if f(x) = sin4x-cos2x, find f(pi/8)
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    2. Mika asked by Mika
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  2. ∫▒dx/(x√(2x^2+5x+1)) 2. ∫▒dx/(x√(x^2+4x-2)) 3. ∫▒dx/(sinx+13cosx-11) 4. ∫▒〖(x^2-x+4)ln⁡(x+√(x^2-1)
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    2. washington asked by washington
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  3. Prove the identityCos⁴x + sin²x = sin⁴x + cos²x
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  4. Rewrite the following expression in terms of tan3x: (sin2x + sin4x)/(cos2x + cos4x)
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    2. Josh asked by Josh
    3. views icon 1,096 views
  5. veify that each equation is an identitycos2x+tan2xcos2x=1 sin4x-cos4x/sin2x=1-cot2x
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    2. GIGI asked by GIGI
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  6. simplify (cos4x-cos2x)/(sin4x+sin2x) the answer choices are : cotx, tanx, cotxtanx, or 1
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    2. Scott asked by Scott
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  7. I am almost finished iwth my questionings:)Solve the given triginometric equation analytically sin4x - cos2x = 0 Priya
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    2. Priya asked by Priya
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  8. Solve sin2x + sin4x = cos2x + cos 4x for x in the interval[0,2pi)Hint: the following substitution should come in handy: sin3x=
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    2. greg asked by greg
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  9. Simplify the expression using trig identities:1. (sin4x - cos4x)/(sin2x -cos2x) 2. (sinx(cotx)+cosx)/(2cotx)
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    2. Tasha asked by Tasha
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  10. Please help me proof the identity. This isn't even math to me, I can not understand it so please show all work. God blessA)1-cos
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    2. Rachel asked by Rachel
    3. views icon 684 views