" 3.If "tan theta=(b)/(a)," find the value of "a cos2 theta+b sin2 theta

If tan theta=(b)/(a), then find the value of a cos2 theta+b sin2 theta

If tan theta = b/a, then find the value of a cos 2theta + b sin 2theta .

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

If sec theta =(5)/(4),"find the value of "((2cos theta - sin theta ))/((cot theta - tan theta ))=.

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

If tan theta=(a)/(b), where 0 a>0, find the value of sin2 theta,cos2 theta and tan2 theta

If 3tan theta=4, find the value of (4cos theta-sin theta)/(2cos theta+sin theta)