[" If "a cos theta+b sin theta=4" and "a sin theta-b cos theta=3," then "a^(2)+b^(2)=],[" (a) "7]

If a cos theta+b sin theta=3 and a sin theta-b cos theta=4 then a^(2)+b^(2) has the value

If a cos theta + b sin theta =4 and a sin theta- b cos theta = 3 " then" a^(2) + b^(2) is equal to

If a cos theta+b sin theta=4 and a sin theta-b cos theta=3, then a^(2)+b^(2)=7(b)12 (c) 25 (d) None of these

If a cos theta+b sin tan theta=3 and a sin theta-b cos theta=4, then a^(2)+b^(2) has the value

If a cos theta + b sin theta = c " then " (a sin theta - b cos theta )^(2) =

If x=a cos theta + b sin theta and y=a sin theta - b cos theta. then a ^(2) +b^(2) is equal to

If x=a cos theta + b sin theta and y=a sin theta - b cos theta. then a ^(2) +b^(2) is equal to

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 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 acos theta+bsin theta=4 and a sin theta-b cos theta=3 ,then find the value of a^(2)+b^(2)