" 6) If "sin A=-(7)/(25),Cos B=(3)/(5)" and "(3 pi)/(2)

" If "cos A=-(3)/(5),sin B=(7)/(25)" and "90^(@)

if sin A=-(5)/(13),pi<=A<=(3 pi)/(2) and cos B=(3)/(5),(3 pi)/(2)<=B<=2 pi then find tan(A+B)

" If "cos theta=(-7)/(25)" and ",theta in((5 pi)/(2),3 pi)" then "sin(theta/2) =(-4)/(5), cos(theta/2)=(3)/(5),sin(theta/2)=(-3)/(5), cos(theta/2)=(-4)/(5)

sin A = (12) / (13), cos B = - (3) / (5); 0

If sin A=(3)/(5),0

If sin A=(3)/(5),0

Prove that (i) "sin " (7pi)/(12) " cos " (pi)/(2) - "cos " *(7pi)/(12) " sin " (pi)/(4) = (sqrt(3))/(2) (ii) " sin " (pi)/(4) " cos " (pi)/(2) + "cos"(pi)/(4) " sin " (pi)/(12) = (sqrt(3))/(2) (iii) " cos " (2pi)/(3) " cos " (pi)/(4) - " sin " (2pi)/(3) " sin " (pi)/(4) =(-(sqrt(3) +1))/(2sqrt(2))

If sin A=(3)/(5),0

If quad sin A=(3)/(5),0

If x=sin((pi)/(3)+A)*cos((pi)/(3)+B) and y=cos((pi)/(3)+A)*sin ((pi)/(3)+B) then x-y=