Question

14. If tan - Iltan D and Sund - ISID, Piuve un
(n' - 1)
15. If m = (cos 0 -sin 0) and n = (cos 0 + sin 0) then show that
m in
Vnt vm
1-tan²0​

Answer 1

Answer:

refer to the above attachment for the solution.

if it helps you then please mark as brainliest.

Answer 2

use the formula you will get your answer