Question

Why is cos pi/3 is equal to 1/2 ?

Answer 1

because it is!

Answer 2

give me an explanation.

Answer 3

pi/3 is equal to 60 degrees and you use the reference triangle to solve

Answer 4

if you take the trigonometric circle (with radius one cm)and draw the angle pi/3 or 60 grades, and measure its projection on the x axis , it will be 0.5 cm

Answer 5

thanks!

Answer 6

np
:)
that's how it works with all the other angles, for cos and sin