Question

1+sin²A=identity plz ans my question
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Answer 1

Answer:

${cos}^{2} \: a$

Answer 2

Answer:

1 - sin²A = cos²A

Step-by-step explanation:

There is a trigonometric identity that is

sin²A + cos²A = 1

⇒ 1 - sin²A = cos²A

∴ 1 - sin²A = cos²A

HOPE THIS WOULD BE HELPFUL FOR YOU