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OpenStudy (anonymous):
find the x intercepts of y=sinpix+cospix
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OpenStudy (anonymous):
0=sinpix+cospix sin(theta)= cos(theta)tan(theta) so -cospix tanpix= cospix tanpix=-1 |dw:1330050556459:dw| 180x=135 x=3/4 180x=315 x=7/4 so the x intercepts are 3/4 and 7/4 >,<
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