" 20.If "cot theta(1+sin theta)=4m" and "cot theta(1-sin theta)=4n," prove that "(m^(2)-n^(2))^(2)=

If cot theta(1+sin theta)=4man d cot theta(1-sin theta)=4n prove that (m^(2)-n^(2))^(2)=mn

If cot theta (1 + sin theta ) = 4m and cot theta (1 - sin theta ) = 4n, prove that (m^(2) - n^(2))^(2) = mn.

If (tan theta + sin theta) =m and (tan theta - sin theta) = n , prove that (m^(2)-n^(2))^(2)=16mn.

If a cos theta+b sin theta=m and a sin theta-b cos theta=n, prove that a^(2)+b^(2)=m^(2)+n^(2)

If tan theta+sin theta=m and tan theta-sin theta=n then prove m^(2)-n^(2)=4sqrt(mn)

If a cos theta+b sin theta=m and a sin theta-b cos theta=n, Prove that a^(2)+b^(2)=m^(2)+n^(2)

If cos theta-sin theta=m and cos theta+sin theta=n then prove that (m^2-n^2)/(m^2+n^2)=-2sin theta cos theta

If cot theta + cos theta = m and cot theta - cos theta = n then prove that: m^(2) - n^(2) = 4sqrt(mn)

If cos ec theta+cot theta=m and cos ec theta-cot theta=n, prove that mn=1

If tan theta + sin theta = m, tan theta - sin theta = n " then " (m^(2)-n^(2))^(2)=