If `acostheta+bsintheta=m` and `asintheta-bcostheta=n` , then `a^2+b^2=` (a) `m^2-n^2` (b) `m^2n^2` (c) `n^2-m^2` (d) `m^2+n^2`

If acostheta+bsintheta=m and asintheta-bcostheta=n , Prove that a^2+b^2=m^2+n^2

If acostheta+bsintheta=m and asintheta-bcostheta=n , prove that a^2+b^2=m^2+n^2

If a cos theta+b sin theta=m and a sin theta-b cos theta=n, then a^(2)+b^(2)=m^(2)-n^(2)(b)m^(2)n^(2)(c)n^(2)-m^(2)(d)m^(2)+n^(2)

If acostheta+bsintheta=m and asintheta-bcostheta=n , then show that a^(2)+b^(2)=m^(2)+n^(2) .

If acostheta+bsintheta=m and asintheta-bcostheta=n , then show that a^(2)+b^(2)=m^(2)+n^(2) .

If acostheta+bsintheta=mandasintheta-bcostheta=n , then show that, a^(2)+b^(2)=m^(2)+n^(2) .

i) If acostheta+bsintheta=m and asintheta-bcostheta=n , then prove that: a^(2)+b^(2)=m^(2)+n^(2)

i) If acostheta+bsintheta=m and asintheta-bcostheta=n , then prove that: a^(2)+b^(2)=m^(2)+n^(2)

If a costheta+bsintheta=m and a sintheta-bcostheta=n," then Prove that " a^(2)+b^(2)=m^(2)+n,

If acos theta+bsintheta =m and asin theta-bcostheta =n, prove that m^(2)+n^(2)=a^(2)+b^(2)