Answer:
The answer to your question are first, third and fifth ones.
Step-by-step explanation:
tan Ф = 1 / cot Ф are reciprocal identities
csc Ф = 1/ sec Ф This equality does not exist
1 - sin² Ф = cos² Ф is a Pythagorean identity
1 + sec²Ф = tan²Ф This identity is incorrect
sec Ф = 1/cos Ф This is a reciprocal identity
