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

If90 ^ (@)

Suppose o lt t lt (pi)/(2) and sin t + cos t =1/5 then tan "" t/2 is equal to

If 90^(@) lt A lt 180^(@) and 3cosA+2=0 . Then quadratic equation whose roots are sin A and tan A, is

If 0^@ lt A lt 90^@ and sin A= 4/5 , find the value of tan A + sec A ?

If 180^(@) lt theta lt 270^(@), sin theta =-4//5 , " then " tan theta //2=

If 90^(@) lt theta lt 180^(@) , cos theta =-12//13 , then sin 2 theta =

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

If 180^(@) lt theta lt 270^(@) and sin theta = -5//13 then 5 cot^(2) theta + 12 tan theta + 13 "cosec" theta =

If 180^(@) lt theta lt 270^(@) , sin theta =-3//5 , then cos theta //2=

If Cos A =(sqrt(3))/(2), 0^(@) lt A lt 90^(@) , then A is equal to