Solve: cos3theta+costheta=0...

Solve: `cos3theta+costheta=0`

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To solve the equation \( \cos 3\theta + \cos \theta = 0 \), we can follow these steps: ### Step 1: Rearrange the Equation We start by rearranging the equation: \[ \cos 3\theta = -\cos \theta \] ...

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NAGEEN PRAKASHAN-TRIGNOMETRIC FUNCTIONS-MISCELLANEOUS EXERCISE

Solve: cos3theta+costheta=0
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