Download presentation

Presentation is loading. Please wait.

1
**10.3 Double Angle and Half Angle Formulas**

2
Double Angle for Sine

3
**Double Angle for Cosine**

4
**Double Angle for Tangent**

5
If Find:

6
Find a formula for sin4x

7
**Half Angle Formula for Sine**

Start with a double angle formula Notice that the contents of the parentheses on the left is twice that of the parentheses on the right. Rewrite the equation, keeping this fact true.

8
**Half Angle Formula for Cosine**

Start with another double angle formula Notice that the contents of the parentheses on the left is twice that of the parentheses on the right. Rewrite the equation, keeping this fact true.

9
**Find the exact value of cos (5/8)**

Why is this negative?

10
**Find the exact value of sin (/12)**

11
**Half Angle Formula for Tangent**

12
**Half Angle Formula for Tangent**

If you rationalize the denominator: Multiply by the conjugate

13
**Half Angle Formula for Tangent**

If you rationalize the numerator: Multiply by the conjugate

14
**Simplify the expression:**

15
**Find the values of sin(2x), cos(2x) & tan(2x) using the given information**

Angle x is obtuse and

16
**Find the values of sin(2x), cos(2x) & tan(2x) using the given information**

Angle x is acute and

Similar presentations

Presentation is loading. Please wait....

OK

In these sections, we will study the following topics:

In these sections, we will study the following topics:

© 2017 SlidePlayer.com Inc.

All rights reserved.

Ads by Google

Ppt on asymptotic notation of algorithms and flow Ppt on national education days Free ppt on 5g wireless communication technology Ppt on traction rolling stock trains Ppt on van de graaff generator demonstrations Ppt on waxes by andrea Ppt on cloud based mobile social tv Ppt on abortion in india Ppt on kpo industry in india Ppt on diode circuits tutorial