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Mathematics 9 Online
OpenStudy (anonymous):

Find the exact value. Your answer must be either an integer or a fraction. sin((3/2)pi)= cos((3/2)pi)=

OpenStudy (anonymous):

@hartnn EEEKKKK!

OpenStudy (anonymous):

can i use the unit circle for this ?

hartnn (hartnn):

yes, you can, you have it ?

OpenStudy (anonymous):

in muhhh brain :D sooooooooo...

OpenStudy (anonymous):

sin is sqrt3/2 rightttttt?

OpenStudy (anonymous):

then dis -1/2 for cos?

OpenStudy (anonymous):

goku guy?

OpenStudy (anonymous):

????

hartnn (hartnn):

sorry, i was away from keyboard... and no...maybe 1 more try ?

hartnn (hartnn):

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