- #1
asdfsystema
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Homework Statement
Homework Equations
Trig identities or straightforward derivative?
The Attempt at a Solution
Is the answers
1. C
2. B
3. A
4. D
I tried taking the derivative of these, but a friend of mine here told me it deals with trig identities and isn't a derivative equation at all. Is he wrong ?
I am pretty sure these are the solutions but i want to double check ...