Y4nkeef4n27 Y4nkeef4n27

17-05-2015
Mathematics

contestada

If sin(3x+2)=cos(4x-10), what is the value of x to the nearest tenth?

A. 7.6
B. 12.0
C. 14.0
D. 26.9

Respuesta :

Panoyin Panoyin

18-05-2015

    sin(3x + 2) = cos(4x - 10)
sin(3(14) + 2) = cos(4(14) - 10)
    sin(42 + 2) = cos(57 - 10)
      sin(44) = cos(47)
   0.7 ≈ 0.7
It is equal to C.

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