Math, asked by BrainlyGirl001, 1 year ago

Hey...!
answer :-

Prove that cos20 cos40° cos60° cos80° = 1/16

Thank you !

Answers

Answered by Inflameroftheancient
4
Hey there!

Kindly refer to the following attachments for a detailed process and explanation for the following proof. The answer is proved.

\boxed{\bf{\underline{\star \quad HENCE \: \: PROVED}}}

Which is the required proof or the final solution for this query.

Hope this helps you and solves the doubts for proving the two given trigonometric identities!!!!
Attachments:

BrainlyGirl001: Thanks for this !
Inflameroftheancient: Welcome!!!!!
Answered by Anonymous
5
Refer to Attachment file!!!



Thank you!!!!
Attachments:

Anonymous: :-)
Inflameroftheancient: Awesome quick like a lighting !
BrainlyGirl001: Thanks a lot ;)
Anonymous: Yup!!
Anonymous: Wello
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