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Find the value of (i) cos(-60^(@)) " "...

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

Text Solution

Verified by Experts

`theta=s/r=(pi cm)/(6 cm)=pi/6 rad =30^(@)`
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