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If 3sintheta+4costheta =5 then find the ...

If `3sintheta+4costheta =5` then find the value of: `4sintheta-3costheta`

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RD SHARMA ENGLISH-TRIGONOMETRIC RATIOS OF COMPOUND ANGLES-All Questions
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  8. If 3sintheta+4costheta =5 then find the value of: 4sintheta-3costheta

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