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User Orchid
by
3.9k points

2 Answers

4 votes

Answer: Thx for the answer

Explanation:

User Sjaak Rusma
by
3.1k points
8 votes

Answer:

1: tan² (t)

2: 1

3: 1

4: tan (t)

5: -1

6: cos (y)

7: cos (t sec (t) - t cos(t))

8: 1

Explanation:

User Calin Chitu
by
3.8k points