Question

how to prove 1 - sin²A / Cos²A = 1​

Answer 1

Answer:

l,h,s=1-sin squareA /cos Square A

1-sin Square A/1-sin square A

=1 R,h,s

Step-by-step explanation:

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Answer 2

Answer:

$since \: \: 1 - sin{}^{2} = cos {}^{2} \\ \frac{ \cos^{2} }{ \cos^{2} } = 1$