I isu23pink New member Joined Feb 24, 2009 Messages 34 Oct 29, 2009 #1 [attachment=0:1jevqjra]Photo-0160J.jpg[/attachment:1jevqjra] okay so if it were 30-60-90 triangle, i would have understood how to do this problem. but 42degress? kinda lost.... Attachments Photo-0160J.jpg 5.7 KB · Views: 85
[attachment=0:1jevqjra]Photo-0160J.jpg[/attachment:1jevqjra] okay so if it were 30-60-90 triangle, i would have understood how to do this problem. but 42degress? kinda lost....
D Denis Senior Member Joined Feb 17, 2004 Messages 1,700 Oct 29, 2009 #2 x / sin(42) = 16 / sin(90) ; what's sin(90)? Do you not know the Law of Sines?
F fasteddie65 Full Member Joined Nov 1, 2008 Messages 360 Oct 29, 2009 #3 Or the definition of sine in a right triangle? sin A = opposite/hypotenuse
