Increasing the Complexity!

Algebra Level 5

Given that z = ( 1 + i ) 1 + i z = {(1 + i)}^{1 + i} , find the real part of cos ( z ) \cos(z) . Consider the principal branch. Enter your answer to 3 decimal places. You may use scientific calculator for the final calculations.


This is a part of my set Aniket's Challenges in Mathematics


The answer is 1.131.

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2 solutions

Sumanth R Hegde
Feb 14, 2017

(+1) for so neat Handwriting :P

Aniket Sanghi - 4 years, 3 months ago

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Thanks! :p

Sumanth R Hegde - 4 years, 3 months ago

SHIT!!! Got it wrong... i got 1.131 but inputted as 1.313 :(

Md Zuhair - 3 years, 4 months ago
Ayush Sharma
Jul 19, 2017

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