period of sin x
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Original post by Alen.m
well in that case pi/2-o will be the solution as well isn't or 3pi/2-o
No. Watch the video, refresh your cast diagram. The diagram shows that it's either angle, pi-angle, pi+angle, or 2pi-angle.
Original post by Zacken
Like I said, when it's 0 - then all four quadrants apply.
thanks mate managed to find the answers using cast diagram . just one last question for any trig function equal to zero all quadrants will apply or only for sin?
(edited 8 years ago)
Original post by Alen.m
thanks mate managed to find the answers using cast diagram . just one last question for any trig function equal to zero all quadrants will apply or only for sin?
All trig functions.
All science teachers are crazy, I tell you.
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