Math, asked by Anonymous, 1 year ago

solve ......
please don't SPAM answers

Attachments:

JinKazama1: Is Value of K is 7 ?

Answers

Answered by JinKazama1
3
Final Answer: 7

Steps:
1) Let 2π/7 = α
Then,
find value of A^2 .

Then. Find value of A^3.

2) We notice a sequence in Powers of A with matrix.


For Calculation see pic.
Attachments:

JinKazama1: cos (k theta) = 1 and sin(k theta) = 0
Anonymous: yep after that
JinKazama1: implies where k = 2π/7
Anonymous: i am asking
JinKazama1: theta = 7
JinKazama1: So, that 2π/7 * 7 = 2π and cos(2π)= 1
Anonymous: k =7
JinKazama1: yes k= 7 not theta
Anonymous: ty again
JinKazama1: theta= 2π/7
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