Math, asked by Anonymous, 9 months ago

how it was comes ?
(b² - a²)² cos²Φ = (a² - b²)²cos²Φ

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Answered by rishu6845

6

Answer:

plzzz give me brainliest ans and plzzzz follow me

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Answered by Anonymous

11

$\huge{\underline{\underline{.........Answer}}}$

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