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# A Year In Review

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FC: A YEAR IN REVIEW | Precalculus Trigonometry | By: Amy Creech

1: I admit I fell off the bus a few times this semester.

2: so many | Trigonometric Function Values of an Acute Angle | is the acute angle of a right triangle. Remember: Some Old Hippie Caught Another Hippie Tripping On Asphalt

3: Trigonometric Functions of any Angle

4: Reference Angles | The reference angle for an angle is the acute angle formed by the terminal side of the angle and the x-axis. | The reference angles can be 30,45, and 60 degrees.

5: Half-Angle Identities | Remember: Its sin,cos, and tan sin and cos have one, while tan has two.

6: Product-to-Sum Identities | Remember: (sin)(cos) (cos)(sin) (cos)(cos) (sin)(sin) Product-to-Sum is multiplication. on the right side for the first two its sin+sin & sin-sin, for the last two its cos+cos & cos-cos.

7: Sum-to-Product Identities | Remember: sin+sin sin-sin cos+cos cos-cos Sum-to-Product is addition and subtraction.

8: Unit Circle | Remember: 0+30=30 30+15=45 45+15=60 60+30=90 You add 30 then 15 then 15 then 30 and it continues like that around the circle.

9: The Law of Cosines | Remember: When you have a^2= you find cos A, when you have b^2= you find cos B, and when you have c^2= you find cos C.

10: A Little Bit of Everything

11: All in All its been a Rough semester but I'm Proud to Say I made It!!! Thank You Ms. Pitt

13: "The friends we meet on the path of life make the trip worth while."

14: so many | Each memory we keep with care means future happiness to share.

15: LIVE WELL LAUGH OFTEN LOVE MUCH

19: Happy Father's Day

20: Life brings simple pleasures to us every day. It is up to us to make them wonderful memories. ~Cathy Allen

22: Summer Time!

27: I admit I fell off the short bus a few times this semester.

28: Trick or Treat

30: HAPPY BIRTHDAY

33: It's The Little Things In Life That Matter

35: A Day to Give Thanks

37: J O Y

38: HAPPY | NEW YEAR

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