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AlekseyPX
2 years ago
5

Verify that each equation is an identity. Show Work plzz!!

Mathematics
1 answer:
Anna [14]2 years ago
5 0

Answer:

Step-by-step explanation:

( a + b )( a - b ) = a² - b²

( 1 + sin x )( 1 - sin x ) = 1² - sin² x = cos² x

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