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4 votes
se a graphing calculator to solve the equation in the interval from 0 to 2 π. Round to the nearest hundredth.7 cos (2t) =3

User Subarroca
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7.8k points

1 Answer

4 votes

Given


7cos\text{ \lparen2t\rparen=3}
\begin{gathered} cos(2t)=(3)/(7) \\ \\ \end{gathered}
\begin{gathered} 2t=1.128\text{ ,5.5.155} \\ divide\text{ by 2} \\ t=0.564,2.578 \end{gathered}

The final answer


t=0.56,\text{ 2.58}

User Samar Panda
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