[(1+cot A+tan A)(sin A-cos A)=sin A tan ...

[(1+cot A+tan A)(sin A-cos A)=sin A tan A-cot A cos A],[" If "sin theta+cos theta=m and sec theta+csc theta=n" then show that "n(m^(2)-1)],[" find the value of "]

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If sin theta + cos theta = m and sec theta + " cosec " theta = n then

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Prove that: sin theta (1 + tan theta) + cos theta (1+ cot theta) = sec theta + cosec theta .