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# A Year In Review

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S: Math...s.o.s

FC: A YEAR IN REVIEW

1: These are a few of my notes | Thank you for all the help you've given us Mrs. Pitt, I couldn't have made this without the many notes you've given us. Thank you for always helping your students out. With that, I hope you like this mix book.

2: so many | on pg. 694 Sketching a pair of vectors & determine whether they're equivalent. Ex. # 6, they're equivalent if they point in the same direction & have the same magnitude. Use distance formula to find the magnitude

3: on pg. 645 you know you have a two solutions triangle, when you can subtract whatever the angle B's is from 180, then see if that difference plus one of the degree's doesn't equal up to 180.

4: when you run into a problem that wants you to solve a triangle, but it only gives you all three of it's angles, then that triangle is categorized as a AAA triangle and cannot be solved.

5: standard notation form is a+bi, and to solve it is just like solving the distance formula, just replace the d with r, & a &b, with x &y.

6: Use law of cosines when prob. gives you all sides, then use law of cosines to solve for 2 of the angles, then add: #+#-180, to get the last angle.

7: when finding an angle that you don't already have, press 2nd on your calc. then chose sine, cosine, or tan. Otherwise, just click one of those 3 and then put in your already known anlge.

8: Q.I reference angle is the angle. Q.II, & III you subtract 180 from the angle, & Q.IV you subtract 360.

9: The unit circle is a valuable part of most of the math problems in the last few chapters, so studying it would help greatly.

10: You cannot determine a log prob. Ex. LOGa (2+7) if it starts by adding or subtracting.

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• By: Zia R.
• Joined: about 7 years ago
• Published Mixbooks: 1
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