Answer :
cos(11π/3)
=cos(660)
=cos(360+180+90+30)
=cos(60)
=1/2
*Use the trigonometric quadrants to figure out the answer (All, Sin, Tan, Cos). And create the 60 degree right angled triangle with an adjacent side 1 and a hypotenuse of 2.
=cos(660)
=cos(360+180+90+30)
=cos(60)
=1/2
*Use the trigonometric quadrants to figure out the answer (All, Sin, Tan, Cos). And create the 60 degree right angled triangle with an adjacent side 1 and a hypotenuse of 2.
