Math, asked by Abdullah786123, 4 months ago

prove that 1 + tan²A=sec²A

Answers

Answered by priyakumari57012

1

Answer:

L.H.S:

=1+Tan²A

=1+sin²A/cos²A

=cos²A+sin²A/cos²A

=1/cos²A

=sec²A=R.H.S

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