CK-12-Pre-Calculus Concepts

6.3. Sum and Difference Identities http://www.ck12.org Prove the cosine of a sum identity. Solution: Start with the cosine of a ...

http://www.ck12.org Chapter 6. Analytic Trigonometry Guided Practice Prove the sine of a difference identity. Use a sum or diff ...

6.3. Sum and Difference Identities http://www.ck12.org sin(x−y) sin(x+y)= tanx−tany tanx+tany sinxcosy−cosxsiny sinxcosy+cosxsin ...

http://www.ck12.org Chapter 6. Analytic Trigonometry 6.4 Double, Half, and Power Reducing Identi- ties Here you will prove and u ...

6.4. Double, Half, and Power Reducing Identities http://www.ck12.org cos^2 x=^1 +cos 2 2 x tan^2 x=^11 −+cos 2cos 2xx The half ...

http://www.ck12.org Chapter 6. Analytic Trigonometry Concept Problem Revisited In order to fully identify sin^215 ◦you need to u ...

6.4. Double, Half, and Power Reducing Identities http://www.ck12.org Practice Prove the following identities. sin 2x=2 sinxcos ...

http://www.ck12.org Chapter 6. Analytic Trigonometry 6.5 Trigonometric Equations Here you will solve equations that contain trig ...

6.5. Trigonometric Equations http://www.ck12.org When solving trigonometric equations, try to give exact (non-rounded) answers. ...

http://www.ck12.org Chapter 6. Analytic Trigonometry Example B Determine the general solution to the following equation. cotx− 1 ...

6.5. Trigonometric Equations http://www.ck12.org Solve the following equation. 4 cos^2 x− 1 = 3 −4 sin^2 x Solution: 4 cos^2 x− ...

http://www.ck12.org Chapter 6. Analytic Trigonometry x=^196 π,^236 π Start by factoring: 2 cos^2 x+3 cosx− 2 = 0 (2 cosx− 1 )( ...

6.5. Trigonometric Equations http://www.ck12.org 3 sinx=2 cos^2 x tanxsin^2 x=tanx sin^2 x+ 1 =2 sinx sec^2 x= 4 sin^2 x− 4 =co ...

http://www.ck12.org Chapter 6. Analytic Trigonometry 6.6 References CK-12 Foundation.. CCSA CK-12 Foundation.. CCSA CK-12 Found ...

http://www.ck12.org CHAPTER 7 Vectors Chapter Outline 7.1 Basic Properties of Vectors 7.2 OPERATIONS WITHVECTORS 7.3 RESOLUTION ...

http://www.ck12.org Chapter 7. Vectors 7.1 Basic Properties of Vectors Here you will find out what a vector is algebraically and ...

7.1. Basic Properties of Vectors http://www.ck12.org One way to define a vector is as a line segment with a direction. Vectors a ...

http://www.ck12.org Chapter 7. Vectors When you see this picture, it turns into a basic trig question to find thexandycomponents ...

7.1. Basic Properties of Vectors http://www.ck12.org −→AB=<− 5 ,− 9 > −→BA=< 5 , 9 > −→AC=< 4 ,− 16 > CB−→=< ...

http://www.ck12.org Chapter 7. Vectors Notice that the father’s force vector (blue) is longer than the force pulling the girl do ...