Kutay
University
exat value of sin315???
forget all this old stuff
forget all this old stuff
360-315=45Kutay said:exat value of sin315???
forget all this old stuff
actually yea its minus sorryKutay said:hmm i disagree i did it by extension one trig rules and i get ur answer but in a - ???? so not sure and really haven't done these forages
ok trev... thanks now ive been proved dumb by 2 people...Trev said:umm isnt it negative 1/root2; because its in the 4th quadrant where only cosine is positive?
sin315Kutay said:exat value of sin315???
forget all this old stuff
*clap clap*Slide Rule said:sin315
sin(360-45)
sin(-45)
-sin45
-1/sqrt2
A 2 unit solution to a 2 unit problem.