Question

3+ sec²0 is equal to

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Answer 1

• iets too easy hope i help you

Answer 2

3+ sec^2 0 =3+1+tan^2 0

=3+1+0^2 (tan 0=0 )

=3+1

=4

OR

=3+ 1/cos^2 0

=3+1/1^2

=3+1/1

=3+1

=4

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