Question

7th question

If 2 sin theta- root 3 = o and 2 cos theta - k = 0 then find k if theta is acute.


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Answer 1

Refer to the attachment

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Answer 2

Answer:

The acidic behaviour from acids is because of the presence of hydrogen ions. Hydrogen ions can only be produced in the presence of water and therefore water is definitely needed if acids are to show their acidic behaviour.