Compute using Trig Identities 3

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Taught by YourMathGal
  • Currently 4.0/5 Stars.
1607 views | 1 rating
Part of video series
Meets NCTM Standards:
Lesson Description:

Using Trig Identities to make computations.

More free YouTube videos by Julie Harland are organized at http://yourmathgal.com

Questions answered by this video:
  • How do you make computations using trig identities?
  • How do you use a half angle identity to find the exact value of sin(157.5) and tan(157.5)?
  • How can you use half angle trig identities to find exact values of sin and cosine of angles?
  • Staff Review

    • Currently 4.0/5 Stars.
    This lesson shows how to compute exact values of sin and cos of odd angle measures using half angle identities. All steps involved in making the computations are shown and explained very clearly in this lesson. Check out the next lessons in this series for more example problems.