Question

Use an Addition or Subtraction Formula to find the exact value of the expression, as demonstrated in tan 17π/12

Answer 1

write 17pi/12 as 225 = 180 + 75
so u have tan (180+75)
and u have tan 75 from last question,

Answer 2

I mean tan(75)

Answer 3

tan 180 =?

Answer 4

0

Answer 5

yes, now just put that in the formula i gave in last question...or u can use tan (180+75)= tan 75

Answer 6

and then find tan 75 the same way u found in last question

Answer 7

2+root 3

Answer 8

yup, same answer

Answer 9

thanks