Question

1
1
1
+
n
+ + ... to n terms =
5.7
2n + 1
1.3
3.5
1
n​

Answer 1

Answer:

sin x = 5/13

Step-by-step explanation:

cos x= base / hypotenuse = - 12/13

using Pythagoras

adjacent = 5

sin = adjacent / hypotenuse= -5/ 13