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Mathematics 18 Online
OpenStudy (anonymous):

What is the value of sin(x) when x = 30°? i dont get it :$

OpenStudy (anonymous):

help me out plss

OpenStudy (lgbasallote):

substitute x = 30 into sin (x) that would become \(\sin(30^o)\) where are you geting confused?

OpenStudy (anonymous):

so is -1 or 1 ?

OpenStudy (lgbasallote):

neither..

OpenStudy (lgbasallote):

-1 is sin (270)... 1 is sin (90)

OpenStudy (anonymous):

im confused because is telling me that the answer is -1 or 1 or 1\2 or- 1\2

OpenStudy (anonymous):

0.5...ans because sin30 is 0.5 or...pi/6..

OpenStudy (anonymous):

ans is 1/2

OpenStudy (lgbasallote):

let me draw you a triangle |dw:1340926331416:dw| that is a regular 30-60-90 triangle. do you know how to find sin 30?

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