given f(x) = sin2x/(xcosx) a)

  1. given f(x) = sin2x/(xcosx)a) find lim f(x) x->0 B) find lim f(x) x-> pi/4
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    2. hy asked by hy
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  2. Show that the function f(x) e^xcosx has exactly one turning point when x is between 0 and 90 degrees. Determine the nature of
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    2. Dani asked by Dani
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  3. if sin2x=3sin2y,prove that: 2tan(x-y)=tan(x+y) ( here, in sin2x, 2x is an angle., like there's a formula:sin2x=2sinxcosx and
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    2. aayush asked by aayush
    3. views icon 3,467 views
  4. Prove that xcosx< sinx for 0<x<(5π/4)-differentiate the function f(x)=sinx-xcosx
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    2. MTH3312 asked by MTH3312
    3. views icon 613 views
  5. d/dx(e^sinx2x)=a)-cos2xe^sinx2x b)cosxe^sin2x c)2e^sin2x d)2cos2xe^sin2x e)-2cos2xe^sin2x
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    2. victoria asked by victoria
    3. views icon 957 views
  6. since sin2x+√3cos2x=2sin(2x+60) find the general solution for the equation sin2x+√3cosx=0thank you
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    2. phillip asked by phillip
    3. views icon 661 views
  7. Verify the trigonometric identity:[(1–sin²x)/sin²x]–[(csc²x–1)/cos²x]= -tan²x I can't figure this out.
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    2. Matt asked by Matt
    3. views icon 712 views
  8. Verify the trigonometric identity:[(1–sin²x)/sin²x]–[(csc²x–1)/cos²x]= -tan²x I still can't figure this out.
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    2. Matt asked by Matt
    3. views icon 1,370 views
  9. Can someone help me find ALL solutions in the interval [0,2π) for the given equations. Please show work.1) sin2x = sin2x 2)
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    2. Jane asked by Jane
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  10. tanx = 5/12 and sinx<0Find sin2x and cos2x How to get the answers of sin2x = 120/169 and cos 2x = 119/169?
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    2. Amandeep asked by Amandeep
    3. views icon 1,588 views