Monday
December 9, 2013

# Posts by Crystal

Total # Posts: 711

Math
Though they aren't homework questions I really am desperate to understand the answers to these questions as I have a quiz tomorrow

Math
How does the related acute angle help to determine the trigonometric ratios of angles greater than 90 degrees? (in terms of the Cartesian plane) And why is the sin, cos, and tan of the principal angle equal to the sin, cos, and tan of the related acute angle?? These aren't...

Math
Thank you! You've been an immense help

Math
Am I missing something? I think it's a little different because there's a 150 degree angle that starts in quadrant one and goes to quadrant two, called the principal angle, and the left over 30 degree angle made by the original 150 degree angle is the related acute ang...

Math
If you can make out example 2 (the image enlarges) it's basically saying that angle 150's ratios are equal to angle 30's ratios...? Basically, that you can find the ratios of the principal angle using the related acute angle?

Math
Okay, so, I uploaded a picture of a portion of my notes which I don't understand; it's what I meant when I asked my question about how the sin, cos, and tan of the principal angle is equal to the sin, cos, and tan of the related acute angle. imageshack.us/f/90/imgoc.pn...

Math
Ohhh. Wow, I finally get it, haha. Thank you!! I honestly just have one more question... 5 minutes;

Math
Sorry, I still don't understand... I know I seem really dumb right now, but this unit just isn't working for me for some reason.. I'm usually pretty decent at math. We just started grade 11 trig and I'm totally lost after the first lesson. I understand that it&...

Math
Preferably in terms of a Cartesian plane.

Math
Okay, that seems really confusing. So in essence, I really just want to know how to find the equivalent expression using the related acute angle, tan110

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