Mathematics, 15.07.2021 21:00 shaonaworld

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2 sin²0 + cos²20 +2 sin²0.cos 20 = 1

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Plz solve this 2 sin²0 + cos²20 +2 sin²0.cos 20 = 1​

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Another question on Mathematics

Plz solve this
2 sin²0 + cos²20 +2 sin²0.cos 20 = 1