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यदि `4 sin theta=3 cos theta, ` अब सिद्ध कीजिए कि `(12 sin theta-7cos theta)/(8 sintheta+3 cos theta)=2/9`

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क्योकि `4 sin theta=3 cos theta`
तब `(sin theta)/(cos theta)=3/4impliestan theta=3/4`
बायाँ पक्ष `=(12sintheta-7cos theta)/(8sintheta+3 cos theta)=(12(sin theta)/(cos theta)-7(cos theta)/(cos theta))/(8(sintheta)/(cos theta)+3(cos theta)/(costheta))=(12 tan theta-7)/(8 tan theta+3)`
`(12((3)/(4))-7)/(8((3)/(4))+3)=(9-7)/(6+3)=2/9=` दायाँ पक्ष

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