[" If "cos A=(-3)/(5),quad sin B=(7)/(25)" and "],[90^(0)

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

If cos A =-3//5 , sin B=7//25 and 90^(@) lt A lt 180^@,0^(@) lt B lt 90^(@) , "then " tan (A+B)=

If 0 lt A, B lt 90^(@), cos A= (5)/(13) and sin B =(4)/(5) then find sin (A+B) .

If A>0^@ , B<90^@ , such that cos A=(5)/(13) and sin B=(4)/(5) , then the value of sin(A-B)

If 0^(0)ltA,Blt90^(0) ,Such that cos A=(5)/(13) and sin B=(4)/(5) ,then the value of sin(A-B) (8)/(65) (32)/(65) (24)/(65) (16)/(65)

If sin theta=(3)/(5) and 0

IF cos B = (3)/(sqrt(13)) and A + B = 90 ^(@) find the value of sin A .

If 2cos^(2)x- sin^(2)x= -0.25 and 0^(@) le x lt 90^(@) , then x= ?

In triangle ABC if (sin A)/(7)=(sin B)/(6)=(sin C)/(5) show that cos A:cos B:cos C=7:19:25