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Mathematics 11 Online
OpenStudy (ashking1):

can someone help me with this question https://gyazo.com/7fb485c1948002c8812adcc591071e7d

OpenStudy (baru):

can you give one solution for x? we can build from there

OpenStudy (ashking1):

pi/3 because of the unit circle

OpenStudy (baru):

yep pi/3 is one solution and you know that 2pi+\(\theta\)=\(\theta\) (angle repeats if we add 360 degrees to it)

OpenStudy (ashking1):

ya

OpenStudy (baru):

in fact 2pi+2pi+2pi+....+\(\theta\)=\(\theta\)

OpenStudy (baru):

you can put in as many 2pi as you want

OpenStudy (baru):

@ashking1

OpenStudy (ashking1):

yes so pi/3 is theta

OpenStudy (baru):

yes

OpenStudy (ashking1):

so would it be d

OpenStudy (baru):

no

OpenStudy (ashking1):

why?

OpenStudy (baru):

did you understand what i said about 2pi ?

OpenStudy (jango_in_dtown):

\[\sin x =\sin y \approx x= n \pi+(-1)^{n}y\]

OpenStudy (jango_in_dtown):

we need a y

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