|[sin10^(@),-cos10^(@)],[sin80^(@),cos80^(@)]|

Show that det[[sin10^(0),-cos10^(0)sin80^(@),cos80^(@)]]=1

What is the value of |(sin 10^(@)-cos 10^(@)),(sin 80^(@),cos 80^(@))| ?

Evaluate |(sin 10^(@) -cos 10^(@)),(sin 80^(@) cos 80^(@))|

Write the value of |(sin 10^@ - cos10^@),(sin 80^@ cos80^@)|

Show that |{:("sin"10^(@), -"cos"10^(@)), ("sin"80^(@), "cos"80^(@)):}| =1.

Q.if x=sin130^(@)cos80^(@),y=sin80^(@)cos130^(@)=1+xy, which one of the following is true

sin10 5^(@)+cos10 5^(@)=

If the value of expression (2cos10^(@)-cos50^(@))/(sin70^(@)-cos80^(@)) is m then (3m^(2)-4) is equal to

If x = sin 130^(@) cos 80^(@), y = sin 80^(@) cos 130^(@), z = 1+xy , which one of the following is true ?

If x = sin 130^(@) cos 80^(@), y = sin 80^(@) cos 130^(@), z = 1+xy , which one of the following is true ?