document.write( "Question 1135346: An airplane travels at 165km/h for 3 hr in a direction of 174 from a local airport. At the end of this time, how fast east of the airport is the plane (to the nearest kilometer)? \n" ); document.write( "
Algebra.Com's Answer #752935 by greenestamps(13203)\"\" \"About 
You can put this solution on YOUR website!


\n" ); document.write( "Assuming your direction is measured clockwise from due north, the angle in trigonometry is -84 degrees. The distance east of the starting point is the total distance, multiplied by the absolute value of the cosine of -84 degrees.

\n" ); document.write( "\"%28165%2A3%29%2Aabs%28cos%28-84%29%29\"

\n" ); document.write( "Use a calculator....
\n" ); document.write( "
\n" );