# Thread: cos x = sqrt(3)/2

1. ## cos x = sqrt(3)/2

Determine all solutions to the trigonometric equation

in the range 0,2pi

i alredy got the first answer it is pi/6
but the second i thought i would do pi/6+2pi =S? plz help need fast help!

2. ## Re: cos x = sqrt(3)/2

Originally Posted by Petrus
Determine all solutions to the trigonometric equation

in the range 0,2pi

i alredy got the first answer it is pi/6
What about $2\pi-\frac{\pi}{6}~?$

3. ## Re: cos x = sqrt(3)/2

solved it :P can some1 explain for me this
for tan its x+kpi
what is it for sin?

4. ## Re: cos x = sqrt(3)/2

solved it 11pi/6

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# the equation cosx=square root 3 over 2 is an identity

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