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Mathematics 12 Online
OpenStudy (anonymous):

Could you please help explain cos(theta)=sqrt(2)/2 with special right triangles.. Thankyou!

OpenStudy (nikato):

special right triangles? like a 30,60,90 triangle or 45-45-90?

OpenStudy (anonymous):

yes @nikato

OpenStudy (nikato):

remember \[\cos = \frac{ adjacent }{ hypotenuse }\]

OpenStudy (nikato):

|dw:1416276434799:dw| what are you trying to find?

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