Math, asked by abhiraj8, 1 year ago

proof that
$\cos(20) \cos(40) \cos(80 ) = \frac{1}{8}$
Please help

Answers

Answered by MuskanS1

i hope u will understand
plZ mark me as brainlist

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abhiraj8: Thank you very much

Gaurav1993: wlcm

MuskanS1: wlcm

abhiraj8: 1 more questions of trigonometric do u help me?

MuskanS1: yaa

MuskanS1: where is Q

abhiraj8: yes pls. note

abhiraj8: 4sin15.sin75=root2(cos105+sin75)

abhiraj8: hello

Answered by Gaurav1993

if u satisfy then add brilent ans

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