Use the sum to product identities to rewrite the following expression as a product: sin(130°) - sin(50°)
Added by Dolores B.
Step 1
Step 1: Recall the sum to product identities: sin(A) - sin(B) = 2 * cos((A + B)/2) * sin((A - B)/2) Show more…
Show all steps
Close
Your feedback will help us improve your experience
Kathleen Carty and 66 other Precalculus educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Use the sum-to-product identities to rewrite the following expression as a product: sin(̀̑/4) - sin(5̀̑/4)
Kathleen C.
Use the sum-to-product identities to rewrite each expression. $$\sin 5 \alpha-\sin 8 \alpha$$
Trigonometric ldentities and Conditional Equations
Product and Sum Identities
Write the following sum as a product. (You may need to use a Cofunction or Even/Odd identity as well.) sin(3θ) − sin(−θ)
Suzanne W.
Recommended Textbooks
Precalculus with Limits
Precalculus
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD