Math, asked by dev2511, 1 year ago

prove that, 16cos24cos48cos96cos168=1

Kanha221: question is wrong

dev2511: no it is true

dev2511: why are you say that ??

Answers

Answered by prathamesh1855

Left = 16cos24cos48cos96cos168* sin24 / sin24
= 8sin48 * cos48 * cos96 * cos168 / sin24
= 4sin96 * cos96 * cos168 / sin24
= 2sin192 * cos168/ sin24
= sin384 / sin24
= sin24 / sin24
= 1

dev2511: thank you

dev2511: in first turm why are you take cos192 ?? it is a cos 168

dev2511: why ??

Answered by Anonymous

ANSWER
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