Calculate: E=sin(a/2-2b), if
a in (0, pi/2)
sin a=4/5
b in (pi/2, pi)
ctg b=-1/2​

2 thoughts on “Calculate: E=sin(a/2-2b), if<br /> a in (0, pi/2)<br /> sin a=4/5<br /> b in (pi/2, pi)<br /> ctg b=-1/2​”

1. Step-by-step explanation:

   Calculate: E=sin(a/2-2b), if

   a in (0, pi/2)

   sin a=4/5

   b in (pi/2, pi)

   ctg b=-1/2

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2. Answer:

   ye kaun si class ka hai itna to batao

   Reply