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dimulka [17.4K]
4 years ago
8

Simplify (1 − sin x)(1 + sin x). (2 points)

Mathematics
1 answer:
choli [55]4 years ago
4 0

Answer:

cos²x

Step-by-step explanation:

(a-b)(a+b)=a²-b²

sin²x+cos²x=1 => cos²x=1-sin²x

(1 − sin x)(1 + sin x)=1-sin²x=cos²x

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