Problem set 1 : 1A-6.
Express in the form Asin (x+c):
sin x + sqroot(3).cos x
I watched the solution it's 2sin (x + pi/3).
Can someone give me some insight in the process to reach the answer ? Also through all the questions I've been through in the problem set none of them were really discussed in the lectures I watched previous to that. Is the goal of the problem Set for us to furnish additional work ?

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Ok i got it, divide everything by cos x = tan x + sqroot(3) etc.

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