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trigo problem (1 Viewer)

R

red802

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solve sinx =1/2 , 0<x<2n

i know how to draw it, but how do i find out the intersection, can someone show the working out
 
A

adgala

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sinx = 1/2
sin^-1 1/2 = x
x = pi/6 , 5pi/6

or draw the sinx graph, draw y = 1/2, the intersecting points (on the x axis) correspond to the answer
 
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