Question

solve

Answer 1

So, you know the answer.

Answer 2

yes

Answer 3

Then why ask?

Answer 4

but i don't know how to proceed it with

Answer 5

hey, it is not "solve"; it's "prove". When solving, the answer must be theta = ... .

Answer 6

okay
oops my mistake

Answer 7

ok, call him back to get help. @primeralph

Answer 8

@hartnn My drawing sucks; please take over.

Answer 9

rewrite it using tan(A+B) formula and simplify

Answer 10

tan8 - tan6 - tan2

tan8 - (tan6 + tan2)

tan8 - (1-tan6 tan2)(tan8)

tan8(1-1 + tan6 tan 2)

tan8 tan6 tan2