Use implicit derivative to find y'

Question

𝑈𝑠𝑒 𝑖𝑚𝑝𝑙𝑖𝑐𝑖𝑡 𝑑𝑖𝑓𝑓𝑒𝑟𝑒𝑛𝑡𝑖𝑎𝑡𝑖𝑜𝑛 𝑡𝑜 𝑓𝑖𝑛𝑑 𝑦

′

𝑖𝑛 𝑡ℎ𝑒 𝑓𝑜𝑙𝑙𝑜𝑤𝑖𝑛𝑔:

3𝑥𝑦

2 + 𝐶𝑜𝑠(𝑦

2 + 𝑆𝑒𝑐 𝑥) = ln (𝑥

2 + 𝑦)

Answer 1

Answer 2

In order to use implicit differentiation you need to have an equation, not simply an expression.

In the third part there is an equation, but no y variable.

You need to re-submit this question with clear equations.