Verify that cos squared A plus Sin squared A is equal to 1 if A is equal to 90 degrees

Daksh asked Jun 25, 2022

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Daksh asked Jun 25, 2022

by Daksh

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13 votes

Answer:

see explanation

Explanation:

To verify cos²A + sin²A = 1 with A = 90° , then

cos²90° + sin²90°

= (0)² + (1)²

= 0 + 1

= 1

Kayana answered Jun 30, 2022

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