Question

In the following questions. write T for true and F for false statements
Iftan x-tany - 5 and tan x tany
then cot (r+ v) 10
(1-tan 15) - 1-tan 15°
Tro lies in third quadrant, than cos
2
sin
is positive
2
A B -
2
2 sin 105. sin 15º =
If cos
Acos B - I then tan AB
cos 15° cos 7 sin​

Answer 1

Answer:

wht u have written I can't understand