Question

If n is an integer, prove that,
u
V
(i) cos(NA + C) = (-1)" cose
nt
(ii) tan
+(-1)71) =
1
2
4
(iii) sinni + (-1)".
6
sin/nr+ (-1)". 1
(iv) tan(n + a) = tan a​

Answer 1

Answer:

send me question clearly........

Answer 2

Answer:

why are u saying i love u tooooo