Find the value of (i) `cos(-60^(@)) " "` (ii)`tan(210^(@))" "` (iii)` sin (300^(@))" "`
Find the value of (i) `cos(-60^(@)) " "` (ii)`tan(210^(@))" "` (iii)` sin (300^(@))" "` (iv)`cos(120^(@))`
Find the value of (i) `cos(-60^(@)) " "` (ii)`tan(210^(@))" "` (iii)` sin (300^(@))" "` (iv)`cos(120^(@))`