reinaglara15 reinaglara15

07-05-2020
Mathematics

contestada

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

a
1

b
cos2 x

c
sin2 x

d
tan2 x

Respuesta :

lucasella lucasella

07-05-2020

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

Answer Link

dayawilson6 dayawilson6

06-07-2021

Answer:

b

Step-by-step explanation:

took the test

Answer Link

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