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Solve: costheta+cos3theta+cos5theta+cos7...

Solve: `costheta+cos3theta+cos5theta+cos7theta=0`

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  3. Solve: costheta+cos3theta+cos5theta+cos7theta=0

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  14. For the given equation write the general solution tan^2 2x=1

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  15. Find the values of x in the interval [0,2pi] which satisfy the inequal...

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