If #sin x + "cosec" x = 2#, then find #sin^n x + "cosec" ^n x# ?
1 Answer
Sep 3, 2016
Explanation:
Solving
we have
This can be also demonstrated by finite induction.
1) First it is true for
2) Supposing that it is true for
3) Prove that it is true for
It is quite easy and it is left as an exercise.