19" If tan "8=(a)/(b)," show that "((a sin theta-b cos theta))/((a sin theta+b cos theta))=((a)/(6)

If tan theta=(a)/(b), show that (a sin theta-b cos theta)/(a sin theta+b cos theta)=(a^(2)-b^(2))/(a^(2)+b^(2))

If tan theta=(a)/(b), prove that (a sin theta-b cos theta)/(a sin theta+b cos theta)=(a^(2)-b^(2))/(a^(2)+b^(2))

If tan theta=(a)/(b) such that (a sin theta-b cos theta)/(a sin theta+b cos theta)=(a^(2)-b^(2))/(a^(2)+b^(2))^(k) then k is ?

If tan theta=(a)/(b) , find the value of (a sin theta-b cos theta)/(asin theta+b cos theta)

If tan theta=a/b then (a sin theta-b cos theta)/(a sin theta+bcos theta)=

If tan theta = 1/b , then ( a sin theta - b cos theta )/( a sin theta + b cos theta) is

If cot theta = (b)/a " then " ( a sin theta - b cos theta )/( a sin theta + b cos theta ) =

If theta be a positive acute angle and tan theta=(a)/(b) , then find the value of (a sin theta-b cos theta)/(a sin theta+b cos theta).

If 3 tan theta =4, show that ((4 cos theta -sin theta))/((a cos theta + sin theta ))=7/25

Show that (1)/(cos theta) - cos theta = tan theta. sin theta