[{1-cot^2(α-45°)}/{1+cot^2(α-45°)} +
cos(α/2)cot4α] cosec(9α/2)=cosec4a Prove it...
[{1-cot^2(α-45°)}/{1+cot^2(α-45°)} +
cos(α/2)cot4α] cosec(9α/2)=cosec4a
cos(α/2)cot4α] cosec(9α/2)=cosec4a
Prove it...
Adarsh yadav , 7 Years ago
Grade 11
Trigonometry> [{1-cot^2(α-45°)}/{1+cot^2(α-45°)} + cos(...
1 Answers
Arun
Dear Adarsh
!st question is incomplete. Please check and repost it.
You can attach an image too.
I will be happy to help you.
Regards
Arun
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