Question

exact value of 2sin pi/3 - 3tan pi/6 =

Answer 1

Do you know the trig values for pi/3 and pi/6? Those are standard unit circle values.

Answer 2

well do you know what tan (pi/6) is as an exact value?

or

sin(pi/3) as an exact value..?

Answer 3

Or if you know the 30-60-90 triangle and SOHCAHTOA, you can get them from that.

Answer 4

if not use the triangle below