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Show that sin²20 +sin ²40+sin²80=3/2​

Show that sin²20 +sin ²40+sin²80=3/2​
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Show that sin²20 +sin ²40+sin²80=3/2​

User Drashti Dobariya
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6 votes

Answer:


Search this up on YT:
"TRIGONOMETRY | Showing that Sin²20°+Sin²40°+Sin²80° =3/2"

HOPE THIS HELPS!!!

User Benjamin Seiller
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