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StormEyes:
I hope you explain it step-by-step.
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Answered by
41
Concept used
- cos(z) =
- sin(z) =
- x + iy = a + ib implies x = a and y = b.
- Compodendo-dividendo is used to make out the expression for
so that we can take log and seperate out
whose value we have to find.
- In last step, we have used trigonometric substitution so that we get the required expression for
.
- While solving questions based on this topic, it is always advisable to convert rectangular/trigonometric form into
form.
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Answered by
8
Answer hope it's help you...
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