document.write( "Question 1200432: The angle of elevation of point Q from point
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document.write( "P is given as 40.2°, PQ=26.7m. How high
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document.write( "is point Q above the level of point P? \n" );
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Algebra.Com's Answer #834567 by ikleyn(52781)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "The angle of elevation of point Q from point \n" ); document.write( "P is given as 40.2°, PQ=26.7m. How high \n" ); document.write( "is point Q above the level of point P? \n" ); document.write( "~~~~~~~~~~~~~~~~\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( "Make a sketch if you need it.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Let x be \"How high is point Q above the level of point P\", \r\n" ); document.write( "i.e. the value under the problem's question.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "You have a right-angled triangle.\r\n" ); document.write( "PQ = 26.7 meters is its hypotenuse;\r\n" ); document.write( "The angle of elevation of 40.2° is the opposite angle to leg x,\r\n" ); document.write( "so you can write\r\n" ); document.write( "\r\n" ); document.write( " sin(40.2°) =\r \n" ); document.write( "\n" ); document.write( "Happy calculations (!)\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |