YCCMAnon YCCMAnon

13-03-2022
Mathematics

contestada

Express as a product:
[tex]1-4sin^2\alpha[/tex]

Respuesta :

jimrgrant1 jimrgrant1

13-03-2022

Answer:

(1 - 2sinα)(1 + 2sinα)

Step-by-step explanation:

1 - 4sin²α ← is a difference of squares and factors in general as

a² - b² = (a - b)(a + b)

1 - 4sin²α

= 1² - (2sinα )²

= (1 - 2sinα)(1 + 2sinα)

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