The value of `cos(-300^@)` is -

The value of sin (-300^(@)) is

Find the values of cos( 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^(@))

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

Find the value of sin 330^(@) .cos 120^(@) + cos 210^(@) . Sin 300^(@) .

What is the value of cos 20^@ + cos 22^@ + cos 158^@ + cos 200^@ + cos 300^@ ?

Find the value of (a) cot 300^(@) (b) tan 330^(@) (c) cos (-60)^(@) (d) sin (-150)^(@) (e) cos ( -120)^(@)