cos x = sqrt(3)/2

**Petrus** · October 9th 2012, 08:59 AM

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!

**Plato** · October 9th 2012, 09:16 AM

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 $2\pi-\frac{\pi}{6}~?$

**Petrus** · October 9th 2012, 09:18 AM

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

**Petrus** · October 9th 2012, 09:18 AM

solved it 11pi/6

Thread: cos x = sqrt(3)/2