Find critical points of

Question

y=sinx+sqrt(3)cosx?

I found derivative of it and i got cosx-sqrt(3)sinx but i am not sure how to find the x

 

Answer 1

The function 

To determine critical values of a function

• find the derivative of the function
• find the points where the derivative equals to zero.

Principal value .

General solution

Critical values are  .

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