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Do you need the a) part as well? (i mean the curve)b) sin-10.35= x-30 x=20.5o+30 =50.5o
what's the answer?
oh yesit says all possible values...sin(180-theta)=sin theta => value of x in this case is great than 180...so rejectedsin(-180-theta)=sin theta-180-20.5=-200.5-200.5= x-30x=170.5
here http://www.s-cool.co.uk/alevel/maths/trigonometry.html
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