High school Trigonometry

Geometry Level 3

cos(15)+cos(87)+cos(159)+cos(231)+cos(303)= ?\cos(15^{\circ})+\cos(87^{\circ})+\cos(159^{\circ})+\cos(231^{\circ})+\cos(303^{\circ}) = \ ?

Give your answer to 1 decimal place.

×

Problem Loading...

Note Loading...

Set Loading...