Which trigonometric ratios are positive for the following angles (i) `210^@` (ii) `-135^@` (iii) `((2pi)/3)^c`

Which trigonometric ratios are positive for the following angles ( i ) 210^(@) (ii) -135^(@) (iii) ((2 pi)/(3))^(c)

Which of trigonometric ratios are positive for the angles, (i) 210^(@) (ii) -405^(@)

Which trigonometric ratios are negative for the angles: (-(5pi)/6)^c

Which trigonometric ratios are negative for the angles: -210^(@)

Which trigonometric ratios are negative for the angles: 315^(@)

Which trigonometric ratios are negative for the angles: -210^@

Which trigonometric ratios are negative for the angles: 315^@

Construct the following angles : (i) 45^(@) (ii) 135^(@)

Which trigonometric ratios are negative for the angles: (-(5 pi)/(6))^(c)

Which of the six t-ratios are positive for the angle : 210^@ ?