Question

Solve for 0 11 years ago

Answer 1

\(0<x<2\pi\)
\(2*cos^{2x}=cosx\)
Right?

Answer 2

Yes but the x in cos^2 x is not an exponent

Answer 3

@whpalmer4

Answer 4

@Ahsome

Answer 5

Oh, OK

Answer 6

\[2\cos ^{2}(x)=\cos (x)\]

Answer 7

divid be cos

Answer 8

\[2\cos (x)=1\]

Answer 9

\[\cos (x)=\frac{ 1 }{ 2 }\]

Answer 10

\[x=\cos^{-1} \frac{ 1 }{ 2 }\]

Answer 11

x=60 deg