HOW TO PROVE:

( sinx / cos3x) + ( sin3x / cos9x) + (sin9x / cos27x) = (tan27x - tanx) / 27

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HOW TO PROVE:
( sinx / cos3x) + ( sin3x / cos9x) + (sin9x / cos27x) = (tan27x
- tanx) / 27

Shubham Chourasiya · Accepted Answer

Follow the given link for your query :

https://www meritnation
com/ask-answer/question/please-sir-solve-1-prove-that-sinx-c/trigonometric-functions/1187958

HOW TO PROVE: ( sinx / cos3x) + ( sin3x / cos9x) + (sin9x / cos27x) = (tan27x - tanx) / 27