If x is an angle in standard position and the terminal side of the angle in on the line y=3x in quadrant III, find: 3cotx-2sinsqx+4tanx+5sqrt10cosx. simplify answer completely... leave as a reduced fraction.

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anonymous · Answer

10 medals to whoever can answer this one.

anonymous · Answer

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anonymous · Answer

Just find a point on the line in quadrant III, such as (-1, -3) which would give a radial distance out to the point of r=sqrt(10).  Then use the definitions$$\sin(x)=v/r; \ \ \cos(x)=u/r;\ \ \tan(x)=v/u$$along with the reciprocal identities.|dw:1317498745220:dw|