Get access to Gizmos today!
Without an account, Gizmos can be viewed for just 5 minutes each per day.
To teach with Gizmos:
- Already have an account? Please login.
- If not, sign up for a free Gizmos account today.
Sum and Difference Identities for Sine and Cosine
Choose the correct steps to evaluate a trigonometric expression using sum and difference identities. Use step-by-step feedback to diagnose incorrect steps.Full Lesson Info
Subscriber Access Only
- Access to community lesson materials.
- Access to ALL Gizmo lesson materials, including answer keys.
- Customizable versions of all lesson materials.
Choose the correct steps to evaluate a trigonometric expression using sum and difference identities. Use step-by-step feedback to diagnose incorrect steps.
As a guest, you can only use this Gizmo for 5 minutes a day.
Sign up for a free Gizmos account and start teaching with our latest set of free Gizmos today!Student Login Educator Login Sign Up Free
To view assessment questions, please login (Student Login or Educator Login), or get a free account.
Find Your Solution
Start playing, exploring and learning today with a free account. Or contact us for a quote or demo.Sign Up For Free Get a Quote