3.) fill in the blank.
+ 1 = sec^2 0
a.) 1
b.) tan^2 0
c.) -cos^2 0
d.) 0
e.) sec^2 0


The volume is 56.8 triangular the
Dis the answer for this question

The answer to your question is tan²Ф

Step-by-step explanation:

Trigonometric identities are equalities that relate trigonometric functions  and are true for every value of it. There are many trigonometric functions and are useful in trigonometry.

The trigonometric identity that is the answer to this question is tan²Ф.

                    tan²Ф  + 1 = sec²

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