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Mathematics 7 Online
OpenStudy (anonymous):

CAN ANYONE HELP ME WITH SOME SIMPLE TRIG UNIT CIRCLE PROBLEMS. I WILL GIVE A MEDAL AND I WILL FAN YOU!!!!!!

OpenStudy (anonymous):

OpenStudy (anonymous):

I have the answer, but how do you work out this problem

OpenStudy (anonymous):

ok thanks i need help within the next hour or so

OpenStudy (anonymous):

@Nnesha

Nnesha (nnesha):

0-360 degree is on the unit circle so to make it easy add 360 ntill you get positive angle e betttttttttttttween 0-360

OpenStudy (anonymous):

so those numbers in the answers are just how many times we add 360 to the given radians or degrees

Nnesha (nnesha):

well numbers are negative that's why you hve to add

OpenStudy (anonymous):

could you work out one of them so I can understand better

Nnesha (nnesha):

just like last one we added 2pi now -405 +360=?

OpenStudy (anonymous):

-45

Nnesha (nnesha):

still negative add 360 one more time

OpenStudy (anonymous):

315

Nnesha (nnesha):

cos(315)= ??

OpenStudy (anonymous):

root2/2

Nnesha (nnesha):

right

OpenStudy (anonymous):

ok, i think i get it

Nnesha (nnesha):

glad to hear that last 3 r the same try it!! :=)

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