Question

4. Prove the following statements :
8
36
(1) sin 5 + sin- 17 = cos 85
3
1
1
(ii) tan-
tan'
+ tan-
tan-
LOIN
13
1
7
-1
tanl 2 tan
5 4
+
17​

Answer 1

Answer:

firstly tell what are you asking I can't understand reply me so I can help u