Answer:
THEY ARE COMPLIMENTARY BUT NOT NECESSARILY CONGRUENT.
Step-by-step explanation:
<em>Thi</em><em>s</em><em> </em><em>is</em><em> </em><em>so</em><em> </em><em>bec</em><em>ause</em><em> </em><em>thei</em><em>r</em><em> </em><em>lines</em><em> </em><em>d</em><em>on't</em><em> </em><em>mee</em><em>t</em><em>.</em>
Answer:
-21/2 <-5/2 < - 2 < - 1.75 <-1 <1.75 <9/4
Answer:
£149.5
Step-by-step explanation:

It should be for 5 hours if $30 is what they started with
Cos( A + B ) = cosAcosB - sinAsinB ;
cos( A + B ) / ( cosAsinB ) = ( cosAcosB - sinAsinB ) / ( cosAsinB ) = ( cosAcosB ) / ( cosAsinB ) - ( sinAsinB ) / ( cosAsinB ) = cosB / sinB - sinA / cosA = cotB - tanA ;