Math, asked by bryceongerald, 9 months ago

1-tan^2 theta/1+tan^2 theta

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Answered by sandy1816

3

Answer:

your answer attached in the photo

Attachments:

Answered by Priyakshipriya

1

Answer:

1-tan²a/1+tan²a

=cos²a-sin²a/cos²a+sin²a

=cos²a-sin²a

=cos2a

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