Express as functions of positive acute angles:
1. sin 240 degree
2. tan 130 degree
3. sec 305 degree
4. cos 95 degree
5. csc 185 degree

1. Sin 240 degree = -sin ( 240 -180 degree) = -sin (60 degree)
2. Tan 130 degree = -tan ( 180 - 130 degree) = -tan 50 degree
3. sec 305 degree = sec ( 360 - 305 degree) = sec (55 degree)
4. cos 95 degree = -cos (180 - 95 degree ) = -cos 85 degree
5. csc 185 degree = -sin 5 degree

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