Asked by Rachel
VERY URGENT! PLEASE HELP SOLVE!
tan(x)+1=sqrt(3)+sqrt(3)cot(x)as well as
sin(2x)= 2 cos^(x)
4cos2(x) = 8sin(x)cos(X)
tan(x)+1=sqrt(3)+sqrt(3)cot(x)as well as
sin(2x)= 2 cos^(x)
4cos2(x) = 8sin(x)cos(X)
Answers
Answered by
Anonymous
1)sin(x)/cos(x)+1=sqrt(3)(1+cos(x)/sin(x))
(sin(x)+cos(x))/cos(x)=
=sqrt(3)(sin(x)+cos(x))/sin(x)
1/cos(x)=sqrt(3)/sin(x)
tan(x)=sqrt(3)
x=Pi/3+Pi*n
2)cos^(x)---???
3)cos2(x)=cos(2x) or cos^2(x)?
(sin(x)+cos(x))/cos(x)=
=sqrt(3)(sin(x)+cos(x))/sin(x)
1/cos(x)=sqrt(3)/sin(x)
tan(x)=sqrt(3)
x=Pi/3+Pi*n
2)cos^(x)---???
3)cos2(x)=cos(2x) or cos^2(x)?
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