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

If cos A =3/5, cos B=4/5 and (-pi)/(2) lt A lt 0,(-pi)/(2) lt B lt 0, then the value of 2 sin A+4 sin B=

If cos A =3/5, cos B=4/5 and (-pi)/(2) lt A lt 0,(-pi)/(2) lt B lt 0, then the value of 2 sin A+4 sin B=

If 90^(@) lt A lt 180^(@) and sin A =4/5, then tan ""A/2 is equal to

If 0^(@) ltAltBlt90^(@) show that sin A lt sin B

If cos alpha = -12//13 , cot beta = 24//7 , 90^(@) lt alpha lt 180^(@) and 180^(@) lt beta lt 270^(@) , then the quadrant in which alpha + beta lies

If sin A = 3/5, tan B = 1/2 and pi/2 lt A lt pi and pi lt B lt (3pi)/(2) then 8 tan A - sqrt(5) sec B =

If 270^(@) lt A lt 360^(@), 90^(@) lt B lt 180^(@) , cos A =5//13 , tan B=-15//8 " then " cos (A+B)=

If tanA = 1(0^(@) lt A lt 90^(@)) and cos B = 1/sqrt(2) (0^(@) lt B lt 90^(@)) , then find cos(A + B)

If sin 7x = cos 11x , 0^(@) lt x lt 90^(@) , then the value of tan 9x is: