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cosx-3-sinx-1-x-




Question Number 201426 by mathlove last updated on 06/Dec/23
cosx−(√3)sinx=1  x=?
cosx3sinx=1x=?
Answered by cortano12 last updated on 06/Dec/23
  2((1/2) cos x−((√3)/2) sin x)= 1      cos (x+60°) = (1/2)= cos 60°
2(12cosx32sinx)=1cos(x+60°)=12=cos60°

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