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If f(x)=(sin3x)/sin x,X ne n pi then fin...

If `f(x)=(sin3x)/sin x`,`X ne n pi` then find range of f(x)

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hence range of `f(x) in[-1,3]`
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PATHFINDER-TRIGONOMETRIC RATIOS AND IDENTITIES-QUESTION BANK
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  12. If sintheta and costheta are the roots of the equation ax^2-bx+c=0, th...

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